ACTIVITY: 1 Answer the following questions in complete sentences: How old is the earth? (11) Describe the earth before man existed (ii) Why was there no life on earth?
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nahi pata ha bhai please find the attachment of the answer is no 18
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By dating the rocks in Earth's ever-changing crust, as well as the rocks in Earth's neighbors, such as the moon and visiting meteorites, scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.
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