The overall specific gravity of the earth is much higher than the specific gravity of crustal rocks which means the earth is about twice as heavy as the rocks on the surface would suggest. Iron meteorites are thought to have the same composition as the average earth, and the meteorites contain a lot more iron than the Earth's surface rocks.
Answer:
Gasification is a technological process that can convert any carbonaceous (carbon-based) raw material such as coal into fuel gas, also known as synthesis gas.
Explanation:
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<span>Obtaining scientific data from a distance is called remote sensing</span>
Answer:
Erosion is a geological surface process described as <u>the weathering and sorting of rock and soil.</u>
Explanation:
Erosion -
The geological process by which the earthen material like rock and soil are worn away or carried away by natural forces , which can be wind or water , is called Erosion.
Erosion is exactly opposite to the process of deposition , the geological process of depositing earthen material is called deposition .
Hence,
Erosion is a geological surface process which is described as -
the weathering and sorting of rock and soil.
