nitrogen makes 78 % of air but cannot be used by organisms . how it is made available to the organisms ?
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9
Answer:
Explanation:
Nitrogen is required by all living organisms for the synthesis of proteins, nucleic acids and other nitrogen-containing compounds. ... It cannot be used in this form by most living organisms until it has been fixed, that is reduced (combined with hydrogen), to ammonia.
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6
Answer:
because it is only used for food all the nitrogens are packed in contaoners
Explanation:
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