Question

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

Explanation:

Nitrogen is obtained by plants from bacteria in soil through nitrogen - fixation. Phosphorus provides strength to bones and exoskeletons as it is a major component of minerals like calcium - phosphate in them. Sulfur gives strength to the protein keratin as it forms disulfide bonds within the keratin structure.

Answer:

Nitrogen: is obtained by plants from bacteria in soil.
Phosphorous: provides strength to bones and exoskeletons.
Sulfur: gives strength to the protein keratin.