3 process Flashcards
1
Q
freeze thaw weathering
A
water enter cracks in the rock
when temp drops the water freezes and expands causing the cracks to widen
the ice melts and water Maes its way deeper into the rock
the process repeats itself until the rock splits entirely
2
Q
biological weathering
A
nt roots can get into small cracks in the rock.
As the roots grow, the cracks become larger.
This causes small pieces of rock to break away.
3
Q
chemical weathering
A
Rainwater and seawater can be a weak acid. If a coastline is made up of rocks such as limestone or chalk, over time they can become dissolved by the acid in the water.