Question

Carbon dioxide and water vapor are variable gases because _____.

a.heir amounts vary throughout the atmosphere.
b.they only make up 1% of the atmosphere
c.sometimes they're in the atmosphere, sometimes they're not
d.one gas depends on the other gas

Answer 1

A) their amounts vary through the atmosphere

Step-by-step explanation:

Odyssey ware

Answer 2

A. their amounts vary throughout the atmosphere

Step-by-step explanation:

Atmosphere consists of number of gases and composition of atmosphere varies depending on the amount of gases present in the atmosphere. The percentage of carbon dioxide in atmosphere is 0.04% while that of water vapors is 4% at normal room temperature.