Question

What is the percentage of oxygen (by volum
b. 0.03%
a. 7
Which gas damages ozone layer in stratosph
a. carbon dioxide b. methane
Which is the coldest layer in the atmosphere
a. Ozone
b. mesosphere
Give one-word answer.
The layer of atmosphere important for survi​

Answer 1

Answer:

7

methane

mesosphere

lithosphere

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