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By Plants
plants need oxygen to stay alive and carbon dioxide for photosynthesis
The process of fermentation releases carbon dioxide, so we can not stay in fermentation forever.
The levels of carbon dioxide in the atmosphere stayed constant for thousands of years because of the carbon cycle, which moves carbon throughout the air, oceans and land. There was also no burning of fossil fuels (coal, oil and natural gas), and nobody had cut down the great forests of the world.
Yes (higher= less oxygen, and vice-versa for lower.) actually the oxygen ratio remains the same but air gets less dense at altitude so you have to breathe a lot more air to get the oxygen you need
By Plants
to give plants nuetrition
You could stay on a good diet, with no snacking out. This should help and it's not a challenge like going to the gym.
There is nothing unlimited about carbon.
Because Oxygen is produced during photosynthesis or carbon dioxide is produced during respiration or carbon dioxide is used up during photosynthesis
plants need oxygen to stay alive and carbon dioxide for photosynthesis
Fry, or newly hatched fish, tend to stay concealed among the reeds and other vegetation along the lake shore.
The process of fermentation releases carbon dioxide, so we can not stay in fermentation forever.
The levels of carbon dioxide in the atmosphere stayed constant for thousands of years because of the carbon cycle, which moves carbon throughout the air, oceans and land. There was also no burning of fossil fuels (coal, oil and natural gas), and nobody had cut down the great forests of the world.
I always heard that it was Stay by Maurice Willams.
Probably the question is about "Mars". Mars's atmosphere has a large amount of carbon dioxide in it and the atmosphere is very thin. Also, Mars is a lot colder than Earth and it has no liquid water. But you could stay there if you had the right things to help you too survive.
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