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Earth Sciences
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.
34,763 Questions
What is the water pressure of the sunlight zone?
The water pressure in the sunlight zone, also known as the epipelagic zone, typically ranges from 0 to 1000 kPa (kilopascals) or 0 to 145 psi (pounds per square inch). This zone extends from the surface down to about 200 meters deep and experiences the least amount of pressure compared to deeper ocean zones. The pressure at any given depth in the ocean is determined by the weight of the water above it, with pressure increasing by approximately 1 atm (atmosphere) for every 10 meters of depth.
A flow resource is neither a renewable resource or a non-renewable resource. It does not remain in one location and moves about because of natural actions in the physical environment. Therefore, it must be used when and where it occurs. Examples of flow resources are: running water, solar radiation, wind, and tides.
At 60C how much more sodium chlorate than sodium chloride will dissolve in 100 mL of water?
At 60°C, sodium chlorate is more soluble in water than sodium chloride. About 144 g of sodium chlorate can dissolve in 100 mL of water compared to about 39 g of sodium chloride in the same amount of water at this temperature.
If we can't tunnel through the Earth, how do we know what's at its center?
First, scientists are pretty sure the Earth's core is about 80 percent iron. How they know that is a series of educated guesses.
For starters, they can be reasonably sure of the planet's mass based on its gravitational pull. The material on the surface isn't dense enough to match up with that mass, so the rest of the Earth has to be much denser.
Iron, meanwhile, is one of the most prevalent elements in the universe, but it isn't all that evident in the Earth's crust. Since scientists would expect more iron to be in our planet and it's a fairly dense element, that leads to the conclusion that the Earth's core is mostly iron. They theorize that it was pulled to the core over millions of years. By examining different seismic waves, they know that the inner part of the core is solid and the outer core is molten.It's a lot more scientific than I've made it sound, but hopefully that gets at the gist of it.
How are hot spots used to track plate movement?
Hot spots are at fixed locations in the Earth's mantle where heat from the Earth's interior rises to the surface and produces volcanism. The Earth's plates, which are slowly but constantly moving, are pierced by the uprising magma. As they move away from the hotspot, the volcanoes become dormant and are replaced by new volcanoes. The direction of the line formed from previous volcanoes indicates the direction of the plate movement.
What are the similarities between mechanical weathering and chemical weathering?
Both mechanical weathering (physically breaking rock into smaller pieces) and chemical weathering (chemically changing and even dissolving rock) result in rock layers being broken down. Water can be involved in both - freezing and then thawing lead to mechanical breaking by cracking rock, dissolving can lead to leaching chemical components of the rock, possibly weakening it and leading to pitting of the surface, for example.
Also they both can break down some rocks faster than other rocks.
What is the source of earths internal heat?
The source of the Earth's internal heat is a result of gravitational compression and to a much lesser extent, the decay of radioactive isotopes.
The heat present in the Earth is due to several factors.
The first source of heat is from the remnants of heat from impacts with planetesimals early in Earth's history. Impacts with large bodies such as these (including the impact which led to the formation of the moon) trapped the thermal energy of the collision in the surrounding rock of the planet, and may have been enough in certain circumstances to completely melt the early Earth.
The second source of heat is also a remnant of an early Earth event known as the Iron Catastrophe. With much of early Earth still molten, denser metals, particularly iron and nickel, migrated to the center of the planet. Tremendous amounts of frictional heat was created, enough to completely melt the planet once again.
The third source of heat in the Earth is from compression due to gravity.
The fourth and final source of heat in the Earth is from the decay of radioactive elements. This source of heat is gradually declining due the decreasing amounts of radioactive isotopes, the decrease being caused by the decay.
52 degrees north 13 degrees east which city?
Theres no city there. That point is near the border between Siberia and
far northeast China. It's about 33 miles east-northeast of the Chinese
town of Hunchun, and about 46 miles west-southwest of the Russian
city of Vladivostok.
What landform has flat land with steep sides?
A landform that has flat land with steep sides is known as a plateau. Plateaus are elevated flatlands that are characterized by their relatively flat on top but have steep sides or cliffs. These landforms are often formed through geological processes such as tectonic uplift or volcanic activity, resulting in a raised, flat surface with abrupt edges. Plateaus can be found all around the world and are important features in the study of geology and geography.
Is there food source in uranus?
It is unlikely that there is a food source in Uranus as it is not a habitable planet for life as we know it. Uranus is a gas giant composed mainly of hydrogen, helium, and methane, making it unsuitable for any form of life to exist, including food sources.
Why do clouds turn gray when it rains?
this is to do with the clouds albedo (the amount of light they reflect) whiter clouds have more small particles whist dark clouds have less but bigger particles, this makes the white cloud more reflective as the particles have a bigger surface area
Oh, dude, Norman Monkey Bars was totally the inventor of the super advanced, top-secret monkey bars that only the coolest primates get to swing on. Like, he revolutionized the playground game, you know? But, like, don't go spreading that around, it's classified information.
How does a tsunamis effect the geosphere?
A tsunami can have a significant impact on the geosphere, which includes the solid Earth, its rocks, and landforms. The force of a tsunami can erode coastlines, transport sediment, and reshape the land through deposition. In addition, the intense pressure and energy from a tsunami can trigger landslides and volcanic activity, further altering the geosphere. Overall, tsunamis play a crucial role in shaping the Earth's surface and geologic processes.
Which characteristic of weather is most likely to result in erosion?
The characteristic of weather most likely to result in erosion is precipitation, particularly heavy rainfall. Rainfall can cause soil particles to become loose and easily washed away by runoff, leading to erosion of the land surface. Additionally, the force of raindrops hitting the ground can dislodge soil particles and contribute to erosion processes. Wind can also play a role in erosion by carrying away loose soil particles, but precipitation is typically the primary driver of erosion.
What type of front would you expect to be associated with flooding?
Well, darling, if you're looking for a front that brings the drama of flooding, you'd be wise to keep an eye out for a stationary front. This bad boy just sits there, letting moisture pile up and causing all sorts of havoc with its relentless rain. So, if you see a stationary front on the weather map, you better grab your floaties and prepare for a wet and wild ride.
Acids or Bases exists as a crystalline solid in an undissolved state?
There are a great many different acids and bases. Most of them do exist as crystalline solids when they are not dissolved in water. Some do not. Pure sulfuric acid (also known as fuming sulfuric acid) is a liquid.
Why do you breathe out the same amount of nitrogen you breath in?
Approximately 70% of the earth's atmosphere is nitrogen and around 14% is oxygen. The rest of our air is made of various trace elements and inert gases. Your question poses various interesting other questions, including the fact that decomposing animal bodies release primarily nitrogen. However, to go a little deeper, most of the nitrogen breathed in is expelled when you exhale. Very little is absorbed by the lungs, some of the nitrogen ends up absorbed by the liver and is passed out through urine, while a little more is exhaled after and entire circulation cycle. Build-up of too much nitrogen can cause various issues, anywhere from muscle cramps, hiccups, yawning and general fatigue. More interesting is the fact that while oxygen is absorbed from the inhalation, carbon dioxide is released. For most people without a deeper understanding, this would make no sense, because it would appear that the oxygen went no where and was not used at all. Again, this is not true. Only a fraction of oxygen inhaled is released. Approximately 8% of each exhale is CO2, while the rest is the un-used atmoshpere, again back to your nitrogen. Also, there's the question of where did the carbon come from to combine with the oxygen being exhaled. Our lungs and cells and blood stream perform a deep ballet of combining, separating and re-mixing the elements of our atmosphere, taking only what we need and releasing the rest in a new form. Approximately 70% of the earth's atmosphere is nitrogen and around 14% is oxygen. The rest of our air is made of various trace elements and inert gases. Your question poses various interesting other questions, including the fact that decomposing animal bodies release primarily nitrogen. However, to go a little deeper, most of the nitrogen breathed in is expelled when you exhale. Very little is absorbed by the lungs, some of the nitrogen ends up absorbed by the liver and is passed out through urine, while a little more is exhaled after and entire circulation cycle. Build-up of too much nitrogen can cause various issues, anywhere from muscle cramps, hiccups, yawning and general fatigue. More interesting is the fact that while oxygen is absorbed from the inhalation, carbon dioxide is released. For most people without a deeper understanding, this would make no sense, because it would appear that the oxygen went no where and was not used at all. Again, this is not true. Only a fraction of oxygen inhaled is released. Approximately 8% of each exhale is CO2, while the rest is the un-used atmoshpere, again back to your nitrogen. Also, there's the question of where did the carbon come from to combine with the oxygen being exhaled. Our lungs and cells and blood stream perform a deep ballet of combining, separating and re-mixing the elements of our atmosphere, taking only what we need and releasing the rest in a new form.
Who came up with the idea of Pangaea?
The concept of Pangaea, the supercontinent that existed approximately 335 million years ago, was first proposed by Alfred Wegener in the early 20th century. Wegener, a German meteorologist and geophysicist, developed the theory of continental drift, suggesting that the continents were once connected in a single landmass before drifting apart over millions of years. Wegener's hypothesis laid the foundation for the modern theory of plate tectonics, which explains the movement of Earth's lithosphere plates.
Which day of the year has the fewest hours of daylight in Connecticut?
Oh, dude, that's the winter solstice, which usually falls around December 21st. It's when the sun is like, "I'm outta here early today," and gives Connecticut the fewest hours of daylight. So yeah, if you're into short days and long nights, that's the day for you.
What would happen to Earth if there were no light?
Without sunlight, plants die, then animals die.
Without sunlight earth's atmosphere cools.
Note that the Earth does not immediately freeze. The Earth's interior contains many radioactive elements and as they decay the heat released will keep the interior warm for a long time to come. The surface, however, will rapidly radiate heat into space, and fall to the temperature of the solar system's outer planets.
Earth's oceans contain considerable latent heat, these would require months or years to freeze solid. The ocean surfaces would begin freezing from the poles towards the equator within a matter of weeks.
Grass and trees would begin dying within days. Pine trees would last among the longest as these can remain buried beneath ice for months at a time. Water would precipitate out of the atmosphere, making the air very dry and cold.
If the sun went missing altogether, which is the source of gravity holding the solar system together, the planets, including Earth would fly off in straight lines until ultimately interacting with some other massive body millions of years hence.
What are examples for slow and fast changes?
SLOW CHANGES:
Changes that take place in hours,days,years etc are slow changes EXAMPLE:
1)GERMINATION OF SEEDS
2)GROWTH OF A CHILD
3)CURDLING OF MILK
4)RIPENING OF FRUITS etc.
FAST CHANGES:
Changes that take place in a minute,second etc are called fast changes.EXAMPLE:
1)BURNING OF PAPER
2)BURSTING OF CRACKERS
3)OPENING OF DRAWERS
4)DROPPING AN OBJECT FROM THE TOP OF A BUILDING etc.
Is there more earth than water?
No, there is significantly more water on Earth than land. Water covers about 71% of the Earth's surface, while land makes up the remaining 29%. This is due to the Earth's composition and the distribution of water in oceans, seas, lakes, rivers, and other bodies of water.
How do you know when the earth is moving?
We can detect the Earth's movement through instruments like seismometers that measure seismic waves generated by tectonic activity or through observations of celestial objects in the sky which appears to move due to the Earth's rotation. Additionally, GPS technology can track the movement of Earth's tectonic plates.
