What kindo of evadince do geologist use to study the structure of the earth?
Geologists use seismic waves, rock samples, and magnetic and gravity data to study the structure of the Earth. By analyzing these pieces of evidence, geologists can gain insights into the composition and layers of the Earth's interior.
What kind of evadince do geologist use to study the structure of the earth?
Geologists use evidence such as seismic data, rock samples, magnetic data, and gravity surveys to study the structure of the Earth. By analyzing these pieces of evidence, geologists can determine the composition, layering, and properties of the Earth's different layers and structures.
What origin does Rhyolite come from?
Rhyolite is an igneous rock that forms from the rapid cooling of silica-rich magma. It typically originates from volcanic activity, where the magma is forced to the Earth's surface and solidifies quickly, resulting in a fine-grained rock with a high silica content.
What part of earth is completely plasticized?
There is no part of the Earth's natural environment that is completely plasticized. However, some regions, particularly in the oceans, have high levels of plastic pollution that can have significant impacts on marine life and ecosystems. Efforts are being made to address this issue through initiatives like beach clean-ups, recycling programs, and reducing single-use plastic consumption.
Tafoni, also called 'honeycomb weathering' are a group of significant pits formed in the surface of a rock. Very common in coastal areas, where the regular wet-dry cycles are obvious.
Caused by differential weathering of the rock, and the 'lands' between the pits are often quite thin and lacy in appearance. The presence of salt is thought to be an important feature of this type of weathering.
What are the 3 major surface of the Earth?
The continental crust and the oceanic crust.
Continental crust:
When you look at the globe, you see that the surface of the earth consists of a lot of water (71%). The other 29% consists of land. You can divide this land into six big pieces, which are called continents. The different continents - arranged in decreasing order of size - are: Eurasia (Europe and Asia together), Africa, North-America, South-America, Antarctica and Australia. In the past the division of the continents was different (see plate tectonic). The earth's crust is the thickest below the continents, with an average of about 20 to 25 miles (30 to 40 km) and with a maximum of 45 miles (70 km). The continental crust is older than the oceanic crust, some rocks are 3.8 billion years old. The continental crust mainly consists of igneous rocks and is divided into two layers. The upper part mainly consists of granite rocks, while the lower part consists of basalt and diorite. Granite is lightly-colored, coarse-grain, magma. Diorite has the same composition, but it's scarcer than granite and is probably formed by impurities in the granite-magma. The average density of the continental crust is 2.7g/cm³.
Oceanic crust:
As the name already suggests, this crust is below the oceans. There, the crust is 4-7 miles (6-11 km) thick. The rocks of the oceanic crust are very young compared with the rocks of the continental crust. The rocks of the oceanic crust are not older than 200 million years. The material of which the oceanic crust consists is for the greater part tholeiitic basalt (this is basalt without olivine). Basalt has a dark, fine and gritty volcanic structure. It is formed out of very liquid lava, which cools off quickly. The grains are so small that they are only visible under a microscope. The average density of the oceanic crust is 3g/cm³.
source: http://library.thinkquest.org/C003124/en/crust.htm
What type of rock is a petoskey rock?
A Petoskey rock is a type of fossilized coral rock, specifically a type of hexagonaria (a colonial coral) found in Michigan, USA. It is known for its distinctive honeycomb pattern on its surface, resembling the fossilized remains of ancient corals.
Why are minerals that form below Earth's surface unstable at Earth's surface?
Minerals that form below Earth's surface are unstable at the surface because they are often formed under high pressure and temperature conditions, which are different from the lower pressure and temperature conditions found at the surface. As a result, these minerals can undergo chemical reactions or physical changes when exposed to the new environmental conditions at the surface, causing them to break down or transform into more stable minerals.
How does albedo affect the behavior of solar radiation reaching earths surface?
Albedo refers to the reflectivity of a surface. Surfaces with high albedo reflect more solar radiation back into space, which can cool the Earth's surface and lower temperatures. Surfaces with low albedo absorb more solar radiation, leading to warming of the Earth's surface.
What are three things that repeat in a cyclic pattern?
1. The light that flashes on your phone when you get a message.
2. A heart- beat
3. A season or evaporation
How much precipitation does central china get each year?
Central China receives an average of around 900-1300 millimeters (35-51 inches) of precipitation annually. This region typically experiences a monsoon climate with wet summers and dry winters.
Where on Earth's surface might you be if you are experiencing the westerlies?
You would likely be between 30 and 60 degrees latitude in the Northern and Southern Hemispheres. The westerlies are prevailing winds that blow from the west towards the east at these latitudes.
Temperature is another significant factor in chemical weathering because it influences the rate at which chemical interactions occur. Chemical reactions rates increase as temperatures increases. With all other factors being equal, the rate of chemical weathering reactions doubles with each 10C increase in temperature.
What are the benefits if using oil?
Using oil in cooking helps enhance flavors, provides essential fatty acids for a balanced diet, and aids in the absorption of fat-soluble vitamins. It also helps with conducting heat evenly during cooking.
What percent of water on earth can humans use?
Roughly 1% of the water on Earth is freshwater available for human use. The majority of this freshwater is stored in glaciers and ice caps, leaving only a small fraction accessible in lakes, rivers, and underground reservoirs for human consumption.
What is a middle-latitude climate?
It is a climatic condition of 60 degree latitude which allows for an average weather pattern. The air mass is usually warm and moist . It is also characterized by high precipitation because of it's average temperature.
Think about it this way - warm air rises. When air is over a warm surface, it will heat up and rise.
Also remember this - water holds on to heat or cold longer than solids (like rock) do. Therefore, the land will heat and cool faster than the water will.
So, picture this: In the morning time, everything starts to heat up because of the sun's rays. The land heats up faster. So the air over the land rises. As the air rises and rises, it begins to get cooler, until it sinks. This whole process creates a cycle of wind above the land and sea. The air drops on to the cold ocean, moves on to the land to replace the air that has risen (this causes the breeze) and then heats up and rises. The cycle continues, creating cool breezes from the ocean.
The same happens at nighttime, but in reverse. The ocean is now warmer, because it is holding on to the heat from the day. The air sinks on to the cold land, and as the air over the ocean rises, the cool air on land rushes to replace it (causing a warm breeze out to sea). That air then rises and begins the cycle again.
What is stronger pavement concrite or asphalt?
In terms of compressive strength, concrete is generally stronger than asphalt. Concrete is more durable and has a longer lifespan compared to asphalt, but it is also more expensive to install. Asphalt is quicker to install, more flexible, and absorbs more noise. The choice between the two depends on factors like cost, climate, and expected traffic load.
What type of veterinarian treats all types of animals?
A veterinarian who treats all types of animals is called a general or mixed animal veterinarian. They are trained to provide medical care to a wide range of animals including small animals (dogs, cats), large animals (horses, cows), exotic pets, and sometimes even wildlife.
What happens to the density of the earth as you go from the outer layer to the core?
It gets harder, OK lets think of it like you head your brains the core, skull's the mantel and you hair/head skins the crust; your Skull (Mantel) is there to protect your Brain (core) because if you brain gets damaged you "could" died if the Core gets damage (more like destroyed) than the world would die. A long way of saying if it didn't get denser it would be more likely to be damage. if a meteor hit and there ways no density than the meteor would cut threw the earth like a Hot Knife threw butter.
(Like most answers Don't quote me on them this is just my opinion and the best one...see what i did there and the best one is a another opinion.)
Why do the regions receive less solar radiation than the equatiorial regions of the earth?
Regions away from the equator receive less solar radiation because the angle at which the sunlight strikes the Earth's surface is more oblique, spreading the energy over a larger area. This reduces the intensity of solar radiation received compared to the more direct and concentrated sunlight at the equator.
Which layer of solid due of tremendous pressure?
The layer of solid Earth that experiences tremendous pressure due to the overlying rock and materials is the inner core. This layer is composed mainly of solid iron and nickel, and the immense pressure causes the materials to remain in a solid state despite the high temperatures.
What is the moons temperature high and low?
The temperature on the moon can vary greatly, ranging from around 260 degrees Fahrenheit during the day to around -280 degrees Fahrenheit at night. This extreme temperature difference is due to the moon having no atmosphere to trap heat.