Abig rock is weathered over many years by a river, until only small pebbles remain. the mass of all the pebbles is less than the mass of the rock. what probably happens to the rest of the rock?

a) it evaporates

b) it is destroyed

c) it dissolves in water

d) it is converted to soil

The answer is: it is converted to soil

soil is the upper layers of the earth that made up of small rock particles combined with water, air, and various particles from dead organisms. Soil could be formed when a rock is experiencing constant force that gradually reduce its shape into smaller particles (could be by being placed on the stream of water or places that have high wind pressure)