The answer is A) food web. B is not actually a thing, and C and D are very different vocab words.
This produces medicines that can possibly save the lives of cancer infected patients who otherwise could die.
The answer is A because with rna G and C always go together and A and U always go together
Corrosion is when weather weakens and brakes apart rocks. An example would be the rocks at the beach that eventually begin to form holes and loose its mass due to the constant corrosion from the sand, water, and wind.