The chemical reaction that breaks down the bonds between chains of monomers is called

The answer is hydrolysis the breaking down of polymers. Which just means to break with water.

I hope this helps.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.