How does fossilized carbon get back into the atmosphere? (2 poic) living organisms need nitrogen to build proteins and nucleic acids, but nitrogen cannot be used by plants in its gaseous state. how does a plant get the nitrogen from the soil? name one of the nitrogen compounds produced in the process?

Common fossilized carbon is coal. One way coal can get back into the atmosphere is by burning it in power plants. A way plants can get nitrogen from the soil is by absorbing it. Amino acids can be produced in the process.

a community that experiences major changes undergoes progress

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.