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Q1.
State the two processes that bring about changes on the Earth's surface.
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The two processes that bring about changes on the Earth's surface are volcanic erruptions and earthquakes.
Q2.
Which rocks are called primary rocks? Why?
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The igneous rocks are called primary rocks because they are believed to be first rock formed on the Earth. All other rocks are ultimately derived from igneous rocks.
Q3.
Why is the core called Nife?
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answer not shownQ4.
Name the two most common minerals found in the rocks.
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The two most common minerals found in the rocks are feldspar and quartz (silica).
Q5.
Explain the interior of the Earth with the help of a diagram.
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