Which of the following statements is correct?

Practice question

Question

Which of the following statements is correct?

Options

Choose one · Correct answer highlighted

The primitive atmosphere of Earth contained abundant oxygen. The first life forms were autotrophic in nature. Miller's experiment provided evidence for the formation of organic molecules under primitive Earth conditions. Correct Homo sapiens appeared before Homo erectus in human evolution.

Explanation

Miller's experiment simulated early Earth conditions and resulted in the formation of organic molecules, supporting chemical evolution.

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