Earth science,, about weathering?

Question

ok.. i couldn't find an answer for this question

I'm reviewing for my regents tomorrow and i cant seem to get this lesson. can someone help me with this question and tell me why

Which change in the climate of New York State would

most likely cause the greatest increase in chemical

weathering of local bedrock?

(1) lower temperature in winter

(2) lower humidity in winter

(3) higher atmospheric pressure in summer

(4) greater precipitation in summer

Chemical weathering will occur most rapidly when rocks

are exposed to the

(1) hydrosphere and lithosphere

(2) mesosphere and thermo sphere

(3) hydrosphere and atmosphere

(4) lithosphere and atmosphere

Answer 1

1 - (4)

2 - (3)

Answer 2

1 = 4...greater precipitation will most likely lead to higher amounts of acid rain which will dissolve many types of rocks

#2 3...water and air carry lots of things that will do a lot of damage to the rocks