Earth's present atmosphere was formed in three stages
A2
B4
C5
D3
Answer:
D. 3
Read Explanation:
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