Question

Consider the following statements: (1) The Earth’s magnetic field has reversed every few hundred thousand years. (2) When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide. (3) When living organisms originated, they modified the early atmosphere of the Earth. Which of the statements given above is/are correct?

A 1 only
B 2 and 3 only
C 1 and 3 only
D 1, 2 and 3
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