Question

which is one way that earths atmosphere supports life?
○ it filters out oxygen.
○ it keeps earth warm.
○ it increases uv radiation.
○ it provides a solid shield.

Explanation:

• Oxygen is essential for life, so filtering it out would not support life.
• The atmosphere has a greenhouse effect which helps keep Earth warm enough for life to exist.
• Increasing UV radiation is harmful to life.
• The atmosphere is not a solid shield.

Answer:

It keeps Earth warm.