Although many very smart astronomers have gone back and forth about this question, it is now generally believed that the rate of expansion of the universe in increasing, that is, it's expanding faster over time.
Staying the same. Overall matter is neither created or destroyed so the amount of water in the earth will stay the same
It is presently increasing.
increasing
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
More green plants!
Earths atmosphere is made up mostly of oxygen and carbon dioxide.
Nitrogen, Oxygen, Carbon Dioxide, and Water Vapor
global warming
The Industrial Revolution began increasing the levels of carbon dioxide in the atmosphere when we started burning fossil fuel.
Earths atmosphere has changed in a few ways. It contains more pollutants and carbon dioxide which is a greenhouse gas.
In the atmosphere, in the form of carbon dioxide
More green plants!
Earths atmosphere is made up mostly of oxygen and carbon dioxide.
Carbon dioxide
it dissolved into the ocean
This gas was carbon dioxide.
Upper Part
Earths atmosphere is 78% nitrogen,21%oxygen,0.9% argon,and 0.03% carbon dioxide with very small percentages of other elements
carbon dioxide, sulphur dioxide and still nitrogen
the earth atmosphere is made up of carbon dioxide and oxygen and some helium.