Question

Earth's present atmosphere was formed in three stages

• A. 2
• B. 4
• C. 5
• D. 3

Answer 1

Answer:

D. 3

• Earth's atmosphere was formed in three stages

• stage 1 -The solar wings removed the hydrogen and helium from Earth's early atmosphere

• stage 2 - Degassing - The process by which gases such as steam, carbon dioxide, ammonia, methane, and nitrogen reached the Earth's atmosphere as a result of continuous volcanic eruptions.

• stage 3 - Photosynthesis - The process by which plants take in carbon dioxide and release oxygen