If you increase the surface area of a rock, how will it affect the rate at which it weathers?
a. it will weather more quickly.
b. it will have no effect because surface area is not a factor in weathering.
c. it will weather more slowly.
d. it will have no effect because a rock does not have a surface area.

The answer is a. it will weather more quickly. Good luck! 

Correct answer choice is :

A) It will weather more quickly. Explanation:

The percentage of weathering occurs on mountains in the same way it does everywhere else. But, rocks at higher elevations, are revealed to more wind, rain, and ice than the rocks at lower heights are. This expansion in wind, rain, and ice at higher elevations produces the tops of mountains to weather faster.

There is totally sun all the way down there.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years