Moderate fires play an important role in western pine forests. Which of the following is NOT one of those roles? A. They release carbon and other nutrients into the soil to be recycled.
B. They remove the debris and low-lying branches of the pine forests.
C. They destroy all the seed banks in the upper layers of the soil.
D. They create open grassy areas for large herbivores, such as elk, deer, bison, and moose.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

the scientific method.