Click the statement that best describes the role of each element in living organisms.Nitrogen provides strength to bones and exoskeletons.gives strength to the protein keratin.is obtained by plants from bacteria in soil.

Plants cannot use nitrogen gas directly from the air. Certain soil bacteria convert nitrogen into compounds that plants can absorb through their roots, so nitrogen is obtained by plants from bacteria in soil. Bones and exoskeletons are strengthened mainly by minerals such as calcium, while keratin’s strength comes from its protein structure.

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