All mass isn't all together in one area but is actually more spread out.
Answer:
195
Explanation:
True :)
what does that mean exactly what is the question
78 percent - nitrogen
21percent- oxygen
absorbs ultraviolet-ozonosphere
atmospheric weather-stratosphere
starts seven miles -troposphere
layer composed 0f layers- thermosphere
important fr radio wave-ionosphrere
trapping of heat- green house effect