what is the composition of the atmosphere write your own answer in your science journal (please help)

In the atmosphere contains nitrogen, oxygen, argon, carbon dioxide.

Explanation:

According to NASA, the gases in Earth's atmosphere include:

Nitrogen = 78%

Oxygen = 21%

Argon = 0.93 %

Carbon dioxide = 0.04 %

Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.