PT Weathering, Erosion, Age of Rocks

Match it! Select the correct answer from the pull down...Good luck!

When acids chemically break down rocks, caused by living organisms on the rock

When wind or water moves small particles that hit and break down rough rocks

Chemical weathering occurs ___________ when there is more surface area

Water will _____________ when it freezes, causes rocks to break apart

Oxygen mixes with other elements to weaken rocks ( iron + oxygen)

The darkest and richest soils are found in the ___________

Plant acid (humus), water, and oxygen are all agents of ___________

When water dissolves minerals in rocks making them weaker