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Why are sedimentary rock found only on or close to earth's surface?
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Why do metamorphic rocks often form deep under the surface of the earth?
Metamorphic rocks form deep under the Earth's surface because the high pressures and temperatures required for the transformation of existing rocks into metamorphic rocks are typically found at greater depths. These conditions are usually created by tectonic forces or by the burial of rocks under layers of sediment.
Is molten rock only found close to the surface?
No, it is found near the surface and even far bellow the surface.
How much of the planet Earth is made up of water?
Surprisingly little. Water covers a little under three-quarters of Earth's surface, but it's almost all on (or just below) the surface, so a relatively tiny fraction of Earth is water.
What are two structures that form under earth's surface?
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Why basalt is found on upper part of the continent?
Basalt is only formed when a magma erupts on the Earth's surface. However, while it only forms on Earth's surface, it can later be buried by sediments accumulating over the top of it. Therefore it is incorrect to say that vasalt is only found on the upper part of the continent, there are basalts within sedimentary sequences.
Does Neptune have grass?
No. There is no life on Neptune. Neptune is too cold to sustain any sort of life that is found on Earth and it does not have a solid surface. Grass only exists on Earth.
What percent of aluminum is found in living matter?
Yes aluminum can be found in living things but only in very small amounts. Aluminum is a common element that is found in the Earth's surface.
Is the moon's surface gravity is only half the earth's?
No, the moon's surface gravity is only one sixth (1/6) of the earth's.
What percentage of the energy radiated by the sun reaches earthes surface?
Of the Sun's energy reaching Earth's atmosphere, just under 60% reaches the Earth's surface. Only a small fraction of the Sun's energy reaches Earth, of course. In fact it's only about 0.000000045 percent. So, the answer to the question is: about 0.000000025 percent.
What fraction of earth surface is sedimentary rock?
Sedimentary rocks cover approximately 75% of the Earth's surface. These rocks are primarily found in areas like riverbeds, lakes, and ocean floors, where sediments accumulate over time. Though they dominate the surface, they represent only about 5-10% of the Earth's crust by volume.
What is the size of planet earth?
Earth's diameter is just under 8000 miles. Using the formula 4(pi)r2, this yields a surface area of 200 million square miles. As 70% of earth's surface is covered with ocean, only 60 million square miles is left for lebensraum. Portions of that are desert, tropical jungle, marsh, or under ice (such as most of Antarctica).
