which of the following pressures rises and falls with the phases of breathing but eventually equalizes with the pressure of the air in the environment?

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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we would need to see the picture to answer it

compost can be added to topsoil as a:

pesticide

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%