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Q1.
What is the exact shape of the Earth?
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The exact shape of the Earth is oblate spheroid, also called 'geoid', which means 'Earth-like'.
Q2.
What is the difference between an axis and an orbit?
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answer not shownQ3.
What is rotation?
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The movement of the Earth on its axis is called rotation.
Q4.
How are days and nights caused? Explain.
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answer not shownQ5.
What is revolution?
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The movement of the Earth around the Sun is called revolution.