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Yes, but usually slowly.
At one time there was no Oxygen in the atmosphere, (and quite a bit of methane)
and a little less than a billion years ago there was more than 25 % O2 (age of the giant insects ... with lots of plants on land.)
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∙ 12y ago
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Why are the amount of gases in the atmosphere usually shown as percentages of dry?
It is simpler because the amount of water vapor in the air can change.
Why are the amount gases in the atmosphere usually shown as percentages of dry air?
It is simpler because the amount of water vapor in the air can change.
How does a pie look with the percentages of nitrogen oxygen and other gases?
Go to images.google.com and search for gases in the atmosphere.
What are the percentages of the two most abundant gases in the atmosphere?
Nitrogen (about 78%) and oxygen (about 21%).
What visual displays would be best for describting the percentages of different gases in the atmosphere?
line graph
How are the gases constantly changing in the atmosphere?
When did people start to change the atmosphere by releasing gases
Which form of visual display would be best for describing the percentages of different gases in the atmosphere?
Cirle Graph.
Do the percentages of gases in your atmosphere change?
Over long periods of time the concentrations of some gasses such as oxygen and carbon dioxide do change. Water vapor is even more variable, often changing on a daily or hourly basis.
Why is it hard to include water vapor in a graph that shows the percentages of various gases in the atmosphere?
That's because water vapor is so variable in its concentration in the atmosphere.
What is the atmosphere of earth?
The atmosphere of the earth is the layers of air that surround the Earth. They contain nitrogen, oxygen, carbon dioxide, water vapor, and small percentages of other gases.
Why do the properties of the two gases in the atmosphere does not change?
There are more than two gases in the atmosphere. You need to specify the ones you are asking about.
Which type of graph is to show the percentage of gases in earth's atmosphere?
A pie chart is often the best type of graph to show percentages.
