The Nitrogen Cycle Is One of the Most Important and Complex

question 1

Multiple Choice

The nitrogen cycle is one of the most important and complex of the biogeochemical cycles. It is important because nitrogen:

• A) is stored in sedimentary rock
• B) is an essential part of biological molecules such as proteins and nucleic acids (DNA)
• C) is the most toxic element to living organisms
• D) dilutes the oxygen in the atmosphere causing respiratory problems
• E) is a crucial part of the process of photosynthesis

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Impaired Asset

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Trend Analysis

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