Surface processes that work to break down rock are called which of the following? a. erosion b. weathering c. organic decay d. filtering (the answer is b. weathering) ( i only did this because no one had this question right)

b. weathering

Explanation:

Weathering is a natural process which results in the break down of the rocks into parts, sediments and other materials. The weathering can be caused by physical or chemical agent. The physical agents such as water, warm temperatures, and ice and others causes the physical weathering. The chemical agents like rain water and oxygenated air causes chemical weathering.

answer; ////increased water pollution; ///////////////////////

they deliver oxygen to the blood