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NEETZoologyEvolution

What was the composition of the early Earth's atmosphere?

Options

  1. AOnly oxygen and nitrogen
  2. BWater vapor, methane, carbon dioxide, and ammonia
  3. CHydrogen and helium
  4. DCarbon dioxide and sulfur dioxide

Correct answer

B. Water vapor, methane, carbon dioxide, and ammonia

Step-by-step solution

Evolutionary Biology is the study of history of life forms on earth. What exactly is evolution? To understand the changes in flora and fauna that have occurred over millions of years on earth, we must have an understanding of the context of origin of life, i.e., evolution of earth, of stars and indeed of the universe itself. Understanding the evolution of earth, stars, and the universe is essential for comprehending the changes in flora and fauna over time.The origin of life and evolution of life forms is referred

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