Weathering is best defined as a process in which
a. rocks and soil are pulled downhill by gravity
b. sediment and sand are carried away by gusts of wind
c. rocks are slowly broken down into sediment or soil
d. rocks are carved out along shorelines by waves and streams

Weathering is best defined as a process in which rocks are slowly broken down into sediment or soil.

Option C

Explanation:

The phenomenon of breaking down of rocks at the surface of earth by the force of rainwater, biological temperatures or extreme temperatures and is turned into sediments or soil. Weathering can be categories into 3 types that are, chemical, physical and biological.

However, weathering is different from erosion as weathering does not involve movement of rock particles unlike erosion where the particles usually move away along with wind or water or other agent which transports it.

c

Explanation:

the first forms of writing came from them in the form of pictographs around 3100 bc.