This variable atmospheric component can exist in all three states of matter (solid,liquid,and gas)at the temperatures and pressures that normally exist on Earth.
A)nitrogen
B)methane
C)oxygen
D)water
E)ozone

Question

Quizplus · Accepted Answer

Water can exist as ice (solid), liquid, and gas (water vapor) under normal Earth temperatures and pressure. Nitrogen and oxygen exist only as gas, ozone is a gas that can also react with other molecules, and methane can exist as a gas, liquid, or solid under extreme temperatures and pressures.

This Variable Atmospheric Component Can Exist in All Three States