How do most animals obtain nitrogen to build their body proteins? Responses

A. They eat nitrogen-containing compounds found in the soil.

B. They breathe in free nitrogen directly from the air.

C. They are able to convert nitrogen in the soil into usable compounds.

D. They eat plants after bacteria have turned nitrogen into a usable form.

Why can't you grow plants with adhesion water?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into