Nature has ways of keeping the nitrogen carbon and phosphorus cycles in balance however run off from animal operations and fertilizer in our waterways can result in . a. cultural eutrophication
b. erosion
c. cleaner drinking water
d. an increase in water temperatures

B

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.