Which of the following is common to the carbon cycle, the nitrogen cycle, and the water cycle?
O These substances are required by living things and are involved in many processes that
occur in living things.
O The substances must pass through only organisms in order to complete their cycles.
The substances are rearranged into different types of molecules as they move through
their cycles.
cycles. The largest stored amounts of these substances are always in organisms.

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:

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

i think its both a and b

look at this it will give you up to 17 answers