Answer:
b. breeds 0f domesticated dogs
Explanation:
I think its b.
A is right yeah I’m smart wo wo
I would go for 'c'. The reason being, is that it doesn't do much, and I am also assuming that offshore drilling will not affect underwater sources, which are linked to the ocean.
A nucleic acid is made of nucleotides, and nitrogenous bases are a part of a nucleotide.
DNA is a nucleic acid. The nucleotides in DNA are made up of a sugar (deoxyribose), a phosphate group, and one nitrogenous base (which will be either adenine, guanine, cytosine, or thymine).
Hope this helps!!
Remember that a biotic factor is a living component in an ecosystem that affects the population of another organism. So that means that the answer is B.
