Question:
12 Regarding the oxygen in the air, life is possible as long as its concentration is higher than:
Author: Exciteful ElkAnswer:
11-12%
0 / 5 Â (0 ratings)
5 answer(s) in total
Alternative answers:
5%
78.08%
0.03%
7%
Author
Exciteful Elk
Answer:
0 / 5 Â (0 ratings)
5 answer(s) in total
Alternative answers: