When consuming a renewable resource, what is critical to keep in mind? a. using non-renewable resources as alternatives b. geographical disparity c. the source d. rate of renewal

D. Rate of renewal. This is the correct answer.

it is b

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the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.