What do the rib muscles and diaphragm have in common?

a) both aid in the expansion and relaxation of lungs.
b) both produce red blood cells that carry oxygen.
c) both filter air before it is delivered to the body’s cells.
d) both deliver carbon dioxide to the surrounding muscle tissue.

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:

it's c. (to reduce the greenhouse effect/carbon gasses)