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Earth Sciences

~57900 answered questions
Parent Category: Science
Earth Sciences is the study of the Earth in terms of Geography, Geology, Geophysics, etc. It combines the use of Sciences such as Biology, Chemistry, Physics and Mathematics to understand the Earth System.
Yes, there is a chemical. As long as you clean the tile while the calcium is just a film. Use "Biodex 300" follow the instructions carefully to avoid injury.Once the calcium or hard water deposit has become thick it must be removed profesionally. There are many debates about what method should be us…
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Saguenay, Québec, CanadaTrick question. There are many.
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Uniformitarianism First, let's define uniformitarianism. It is the postulation that the geologic principles that operated in the past are the same as those that are operating today. The opposite view is supposed to be catastrophism, the postulation that Earth's geologic features are a result of s…
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Clouds are just condensed water vapor or ice crystals. Cloud droplets also require cloud condensation nuclei, however, which often consist of sulfate aerosols. Meteorologically, fog can be classified into four general types according to the mechanism by which it is formed: advection, radiation, ups…
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The average radius of the Earth is 3,959 miles (6,374 kilometers). The equatorial diameter of the Earth (distance from one side of the Earth to the other at the equator) is about 7,926 miles. The ratio of the circumference to the diameter of a circle (circumference/diameter) is written as the symb…
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Calculating Earth's Rotation The Earth makes one rotation in 24 hours (well, not EXACTLY but close enough for argument). So take the circumference in miles (you can look this up) and divide by 24, that's how many miles per hour the surface travels [at the equator]. There are two [ways to measur…
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There are 39 separate time zones. You can find specific details about them in Wikipedia's files at http://en.wikipedia.org/wiki/Time_zones   Yes, as a matter of fact the Earth's surface is divided into 24 standard time zones�one for each hour in the day. Each zone is roughly 15 degrees of l…
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Answer Engine temperature is controlled by the thermostat. An engine can often run hotter if the thermostat has started to fail or if the radiator is partially blocked. The computer is not involved in temperature control. Answer Have the rad and cooling system flushed and change the thermosta…
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It would be safe to say that the authors of that book cannot be taken seriously. answer The authors of this book knew more about the world than early scientists. The book of Job says He stretcheth out the north over the empty space, he hangs the earth on nothing.Job 26:7. Astronomers recently…
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Air pressure can be explained as the amount of force applied per unit of area applied to a surface in which case air pressure is usually in some sort of contained environment at which the force applied is being restrained. An air compressor is an example of a contained environment by which an air pu…
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Four Seasons, Winter. Seasons are a subdivision of a year. The Earth's rotation axis is tilted by 23.4392794383 degrees with respect to the, at different times of a variation in the 180 - 270 deg (mn), longitudes 270 - 360 deg (Winter). The Sun true longitude (Lsun) is derived from Sun mean longitud…
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Challenger Deep in the Pacific Ocean is the deepest known point, at just under 11 km below sea level.
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Waterfalls often cause erosion, but a waterfall is not a 'type' of erosion in itself. The power of the water, as it hits the bottom, picks up dirt and sand that act as abrasives, grinding away at the rock. PBS in the United States has recently shown a very impressive documentary about the formation …
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The biggest part you want to teach your team is to get in shape then you can get to the more fun stuff. Make sure they can set and pass well. Spiking is the hardest thing to teach probably. You want to be able to time it right and smack the ball.
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The dominant scientific model is that the Earth and all the planets (and the Sun) coalesced from a molecular cloud, also known as a nebula. Supernovae are the only known natural events capable of producing elements heavier than Iron, and since heavy elements exist on Earth (and in the Sun), the deb…
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Earth's Water Most likely from Comets from the Ort cloud (actually comets may have been prevalent throughout the Solar System early on then relegated to the Ort cloud by the solar wind) smashing into earth during its development. But you can't discount Volcanic action either. …
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It depends on how you define "day". A "solar day" is roughly from sunrise to the following sunrise, or more exactly noon to noon. A "sidereal day" is one complete rotation of a planet relative to the background stars. The orbit of the planet around the Sun affects how the sidereal day is related to …
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Dirty filter, dirty coil, closed damper, or duct has come loose from main trunk line. Rats will sometimes nest in air ducts and may chew holes through the ducts, especially the insulated plastic ducts. That's the worst case.
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Standardization The electrical term "earth" or "ground" is a connection that runs through the entire electrical system. It may or may not be connected literally to the soil. When a system is "negative earth", it means the electrical earth has a negative polarity. Power can then be run back and forth…
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Venus has a very strong greenhouse effect. A greenhouse effect is when the gases in the atmosphere trap more of the Sun's heat. A lot of carbon dioxide, a very dense atmosphere, and a thick blanket of clouds help trap the sun's heat. The transfer of heat by atmospheric currents means both the night …
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Earth Without Light Presuming the question is about what happens if the sun, our principal source of light, suddenly disappeared, what follows is a scientifically credible answer: Without sunlight, plants die, then animals die. Without sunlight earth's atmosphere cools. Note that the Earth does n…
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If you mean the light of the sun, all life on earth would end. The sun is the engine that drives our planet. No light - no photosynthesis. All vegetation dies. Further, if there's no light, there's no warmth. The planet freezes over, and the planet dies.
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You have a 20ga Lightweight Auto-5 made in 1965
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Answer have the rack and pinion inspected. Answer Has the box/rack been tampered with before? Sounds like you have the pipes switched over. www.powerbrakeandsteering.co.za
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Summer Migration Twice a year, halfway between summer and winter, the Sun rises exactly in the east , and sets exactly in the west (well, nearly exactly, in both cases). We now know that on the days when this happen, day and night are very nearly equal in length, and that time of year is theref…
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Yes, it is possible. To identify an object using its density you need only a few things: an accurate scale to find the mass of the object; a graduated cylinder large enough to accommodate whatever object you have; the object itself; and a liquid. Any liquid can be used for this, however, if the obje…
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Up until mid 2012, it was believed that Japan had very few natural resources. Only about a quarter of the land is suitable for agricultural purposes. Forestry is important, and about 65% of the land area is used for forestry. However, the country uses as much as it produces, with high demand for woo…
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The name of our planet is the Earth. The name of our moon is the Moon. The name of our solar system is the Solar System. I capitalize them, because when used as names, they are proper nouns. This also helps us distinguish between the planet Earth and earth (meaning soil), between the Earth's Moon …
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Subsurface mining is very dangerous. Surface Mining is way way WAY! better. Subsurface mining makes you go down dirty places and pick up stuff. It cost a lot for materials and safety equipment. GO SURFACE BABY
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Orange juice is too acidic and can break down a plant's immune system. Additionally, orange juice can promote the growth of certain types of mold, fungus, and bacteria in the soil which could harm the plant's root system. Water and nutrient rich fertilizer are the best ways to promote the healthy gr…
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Minor Planets The term minor planet is still used, but after reclassification in 2006 these are now generally referred to as dwarf planets. Dwarf planets orbit the sun, but are not satellites, that is to say that they do not orbit another planet, since then they would be classified as moons. They a…
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Plants, in fact, do grow faster under certain colors of light. The reason for this is that chloroplasts can only absorb certain wavelengths of light because of the pigments they contain. There are 2 photosystems in plants called photosystem I and II. PS I absorbs light on the wavelength of 700nm whi…
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Earth is a planet (also known as Terra) orbiting the star called Sol, or the Sun. It is smaller than many, with a rocky crust and an atmosphere of nitrogen, oxygen, and other trace gases. It has water in all three phases, and associated thermal and tidal activity. It has a magnetic field due to its …
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Answer Bacteria first walked on the earth. Can bacteria be said to truly walk? My vote goes to the anthropods - centipedes, milipedes, and pill bugs you are incorrect is was algae,algae was the first thing, it breathes in carbon dioxide and breathes out oxygen so it then made bactiria. :-]
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It's roughly a 70.1%/29.9% split in favor of the oceans.
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Answer if the earth stoped rotating then our whole environment would be gone. No magnetic field, and many other things that would make life as we know it impossible. But it would not affect the rest of the universe. PS: Assuming one sidereal rotation per year, one part of the planet would be hot …
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Causes of Temperature Flunctuations Allergies can make your temperature go up so you may be allergic to something in your home. Carpeting, fresh paint, some woods, soaps, PMS, perimenopause, menopause, etc., are some culprits. Although 100 degrees sounds high it isn't all that high. If we were to…
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If aliens finally decide to join us on planet earth(i really hope they do) i believe God will finally show himself to modern man, probably to protect us from whatever the aliens are planning to do. I am going to interject before the other simply from a logical point of view. If aliens acted as "god"…
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One Answer Radiometric dating techniques (and not just one) associated with investigation of materials originating on Earth and from space allow for the estimate of 4.567 billion years (4.567 × 109 years). A link can be found below which has more information on how the figure was arrived at. This …
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The spin of the Earth is the net angular momentum of the bits and pieces from which it accumulated. Due to the tides caused by the Moon, the energy dissipated by the tides is transferred to the Moon as an increase in its net energy - and represented by the Moon moving a slight bit further away. An…
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lightyears
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Ways that Earth Can be Destroyed? There are several ways in which the Earth might be "destroyed", such as every single nuclear bomb available to man going off simultaneously the Earth moving even more off its axis collision with an asteroid or comet depletion of the ozone layer However, none of th…
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Its where the soldiers in WW1 fought in.. and it was surrounded by dead bodies and the smell was horrible and shootings and bombings and shellings happened and it was just so.. HORRIBLE!!
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Heat loss Whatever it is wrapped in slows the loss of heat. It acts as an insulator.
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Gargling with salt water There is a natural tendency for a substance to move from a region of high concentration to a region of low concentration (see osmosis). This means that even water moves from its region of abundance to its region of shortage. Since salt water is more concentrated (less wat…
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one way is the age of the rocks snd another way would be the lava in the lithospher moving to form different rocks
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Not quite fast, just a few centimeters per year. Its equivalent to the rate of fingernail growth.well it depends on the plate some move 1 inch a year others 12 inches a year
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Global WarmingIts difficult to predict what will happen in a couple of million years, or what you mean by close up ( like going out of business ?) but right not it is growing due to the constant melting of the permanent ice pack and the fact that it is now slightly warmer ( 1 degree ) than it was pr…
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The land mass is heavier even tough the sea covers 2/3 of the earth's surface it still has land under the sea hence it is heavier... Surf and Turf Land mass will be heavier than water because it is more dense
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They really don't affect the atmosphere, unless you really get into how they change the dynamics in the region e.g. heat and moisture transport, erosion of upper level ridges, etc.
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Earth's Crust A big huge impact with another body - planet, moon, asteroid, etc. Possibly a big enough volcano would eject material into space, but it would not be able to break free of gravity and would instead come raining back down sooner or later. Oh, and you're gonna love this.... The big …
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Earth There are many different answers for this. Some people believe that it came into existence by a big bang. Some people believe that over the years, small bits of debis joined up together to create the world. Some people belive that God was the one who created the world. There are many different…
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Earth was not discovered by anyone. It was here long before the first mammal set foot on the planet. Earth was eventually found to be the third planet orbiting the Sun in the solar system. Although its spherical nature was surmised by the Egyptians, Sumerians, and the Greeks, it was not until the t…
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Within the troposphere temperature decreases with increasing altitude.
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Salinity of a body of water will increase with evaporation, because the salts do not evaporate. If a river supplies water to that body of water, than salinity might reach high values without the body of water drying completely. An good example would be the Dead Sea, witch has high salinity as the Jo…
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Convection currents are vertical movements of fluids driven by heat. Hot fluids rise because they are less dense than cold fluids which sink. The best example would be soup boiling - stuff in the soup comes to the surface over the flame and sinks back towards the edges of the pot. -----------------…
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1. By increasing a materials confining pressure. 2. By decreasing a material's temperature. 3. By decrease the amount of the space it takes up.
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Surface Area of Earth: 510,072,000 square kilometres (total) or 200,000,000 (two hundred million) square miles. 149,000,000 square kilometres (land only). 510,065,600 km2 (see related link) of which 148,939,100 km2 (29.2 %) is land and 361,126,400 km2 (70.8 %) is water. The Earth's land surfac…
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Answer The total area of the Earth is approximately 510 million square kilometers and the oceans cover about 71 percent of the Earth's surface, which is about 360 million square kilometers.. the diameter of earth is 12,756.3 kilometres
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No, the Earth is a bit wider than it is "high". The shape is often called a geoid (Earth-like) or an ellipsoid. The rotation of the Earth causes a slight bulge toward the equator. The circumference of the Earth at the equator (24,901.55) is about 41 miles greater than the circumference through the p…
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Answer 150lb The composition of concrete varies depending upon the make up and consistency. There are some very light weight mixes and those that are exceptionally heavy, depending on what the planned use is.
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Pictures from space for one, the laws of gravity for two and the curved horizon for three - not to mention the planes that fly and ships that sail around the world on a regular basis. Not only that, but now that we have access to space, the easiest way to prove the Earth is spherical is to leave it …
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There are many forms of earth science, and therefore many names for those who study aspects of earth--geologists, geophysics scientists, ecologists, hydrologists, sedimentologists, and more.
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The oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
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well the simple explaination works like this. Have you ever put a gallon of water above your head? When you do the roughly eight pounds pushes down on your body. Now imagine that the ocean is that milk jug, the weight of the millions of tons of water are pushing down on you creating pressure on ever…
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The Earth will not explode. In about 5 billion years time, the Sun will have burnt all of it's hydrogen and will expand into a Red Giant. It's outer envelope will extend to the orbit of Venus, maybe further. Earth will not exist as we know it, but the planet will still exist. It will not explode. It…
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a sexualy
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Naturally occurring uranium is a mixture of three isotopes. The most abundant (greater than 99%) and most stable is uranium-238 (half-life 4.5 x 109 years); also present are uranium-235 (half-life 7 x 108 years) and uranium-234 (half-life 2.5 x 105 years). Different isotopes have different half…
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low air pressure is what causes cloudy skies. Low air pressure causes clouds because usually when there is low air pressure it is humid and it did or still is raining or snowing. The waters evaporates into the sky and forms a cloud (a cloud is mainly water and gases) Once the cloud has too much wate…
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How much sand is there on Earth? No-one knows how much sand there is on Earth, but to give you a rough idea: there are more stars in the universe than grains of sand on Earth.
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The oldest rocks from space are dated back to about 4.5 billion years ago, so this is around when our planet would have formed. The entire Solar System (which includes the Earth) arose when a giant cloud of gas and dust called a nebula began to collapse under its own gravity. This probably happened …
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The deepest point in the ocean is the Mariana Trench, located in the Pacific Ocean. It has a maximum depth of 10,923 metres (35,840 ft).Within the Marianas Trench is an even deeper slot--the Challenger Depths--at 36,200 feet.
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Clouds are made of microscopic droplets of water and sometimes even ice cyrastal. If the droplets get bigger, then they may fall as rain.
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The disadvantages are that the change in water flow will effect the fish and making space to put the hydro facility can cause the deaths of plants and animals aswell as destruction of habitat. Hydroelectiric facilities do not produce much electricity compared to other renewable sources.
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negligible mineral resources, fish
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No one knows for sure but we know about certain theories theories. Astronomers believe that the sun will hydrogen and will become a red giant . It will produce a lot of heat , the earths oceans will evaporate and lands will be scorched . This is how life on earth will end .
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A true solution consists of a minimum of two components, namely a solvent and a solute.
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tombora from Indonesia
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The ones you like or the ones you now
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Sure! It would be the god particle, but it's never been found, people are looking.^ Indian philosophers have struggled with this concept before the time of Christ. They believe all things consist of the same element, but naming something refers to it as objective always having a missing puzzle piece…
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Decomposers are necessary for the continuation of life on earth because decomposers break down dead organisms and give the nutrients back to the plants so they can continue to grow, which provides food herbivores, which feeds the carnivores, and so on.
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Mechanical weathering is caused by ice by water seeping into a crack in, say, a rock. The water then freezes, pushing the crack a little wider. And next time, even wider. And so on. This process is called ice wedging.Mechanical weathering is caused by growing roots in a similar way. The roots grow b…
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No one deosnt know when the earth will end its gods way if he want the world to be over with
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The crocidile is the most endangered animal in Florida, because most of them live in swamps or are getting shot by hunters, or by even getting run over in the middle of the road (only babies that cause flat tires) I am a scientist, and I know these things. (I am a private scientist, and I would rath…
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A barometer. Barometric pressure is usually read and rated in millibars of atmospheric pressure. A standard day at sea level, would be 29.9 on the barometric scale. That is, neither a high or low pressure in the area and generally sunny.
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Spring and neap tides Spring tides are those that have the greatest difference between high and low tides. Neap tides have the lowest difference. Beavers can fly did you know that!!!!
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I dont really know because there is no answer
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Answer Island arcs and chains, sedimentary fossils at the top of the Himalayas, rift valleys, mid-oceanic ridge, ages of rocks in certain areas, co-existing fossils in now separated areas, faults, subduction volcanoes, GPS measurement data, earthquakes.
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Changing from either a gas, liquid, or solid into one of the other two. Or more like a melting point
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NASA is trying to replenish its inflated budget with expansive, untenable, even nonsensical propaganda about "life on Mars," adding where there is or was water there was probably life," etc.Such nonsense is laced with inaccuracies, hyperbole, and sheer fantasy--in fact, anything to bamboozle the pub…
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Any avalanche could and likely would affect the lithosphere by breaking and moving rocks and earth. The hydrosphere relates to the Earth's water sources, and these would be affected by the snow itself moving and possibly by temporary blocking any streams or bodies of water in its path. It could also…
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There are no current public plans for what happens if an asteroid is on a confirmed collusion course with the earth by any government. Although many governments most notably the UK have commissioned companies to submit plans for the inevitable event. On the other hand it is widely believed that most…
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For large celestial bodies, roundness is a product of gravity. When the leftover elements from the sun's creation scattered throughout what is now our solar system, individual particles started attracting each other together with gravity. As more and more particles gathered, they compressed themsel…
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fatty boy with wings of gold holding up our static mold giggle jelly flying high tucked between our earth and sky bye bye
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It is approximately 6371km to the Inner core (center of the Earth). For those who are not metrically inclined, that is about 3959 miles to the center. yep
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Earth Science or Geoscience is a term that encompasses a wide array of studies focusing on the earth and sustainability. Ecology, geology, atmospheric sciences, and geophysics are other, more specialized forms of study.
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