Answer:
Half of the mass of the atmosphere is found below an altitude of <u>3 1/2</u> because the air is compressed by the<u> mass </u>of the overlying atmosphere
Explanation:
Thank you . have a good day take care nd be safe
A pure substance made up of only one type of atom is an element
Answer:
Explanation:
You didn't put the question choices
When the temperature is colder the oxygen is thicker , when it's warmer the oxygen is thinner
