How do autotrophs and heterotrophs relate to the carbon cycle?

Autotrophs store chemical energy in carbohydrate food molecules they build themselves. Most autotrophs make their food through photosynthesis using the energy of the sun. Heterotrophs cannot make their own food, so they must eat or absorb it.

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

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it should be all of them because it asks if you included all of those in your answer

explanation: