Answer:
c this is the answeruyiuuyidygccx
The decomposers are at the end of the food chain..
Explanation:
Because, decomposers are the last orgainsms that depends and decomposes all other organisma in the food chain..
I think it is C as plants take in Co2 and release oxygen which humans use to breathe.
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Carolus Linnaeus also known as Carl von Linné
A substance that speeds up the rate of a chemical reaction is called a Catalyst.