Atmosphere Flashcards
0
Q
Why does the atmosphere contain O2?
A
For respiration
1
Q
What is the definition of atmosphere?
A
A thin layer of air around the earth
2
Q
Why does the atmosphere contain CO2?
A
For photosynthesis
3
Q
What does the atmosphere do with harmful radiation?
A
It filters the radiation out
4
Q
How much heat can the atmosphere trap?
A
Enough heat to sustain life
