An engineer is designing an implant to help people with spinal issues. The engineer is performing a cost-benefit analysis of his implant. Which of these would be a cost? Choose the correct answer. Group of answer choices

The implant has a long lifespan in the human body.

The implant is effective in treating a spinal issue.

The implant is made from a rare metal that is difficult to mine.

The implant is very small and can be implanted easily by a surgeon.

amber has allowed scientists to study dna that has been preserved over millions of years.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.