Chemical weathering is highest in areas that are
a. dry and arid.
b. cold and frigid.
c. cold and wet.
d. very warm and wet.

The answer is:

d. very warm and wet.

Most of central air conditioner are chemical weathering systems, they use chemicals to cool down some devices inside the cooler that will eventually cool down the air around it, this has to be done this way because the water based coolers that are often used in dry and arid zones do not work in humid areas.

can you explain it better

c is the newer have a great day