Question
Certain types of lichen grow on rocks. These lichen secrete a form of acid that breaks bonds and weakens the rock over time. This is an example of:
Lichen Crust on Desert Rocks - DesertUSA
a
Salt Wedging
b
Abrasion
c
Chemical Weathering
d
Physical Weathering
Lichen Crust on Desert Rocks - DesertUSA
a
Salt Wedging
b
Abrasion
c
Chemical Weathering
d
Physical Weathering
Answers
GPT-4o mini
The process by which lichen secretes acid that breaks down and weakens rock is an example of **c. Chemical Weathering**. This is because the acids change the chemical composition of the rock material, leading to its breakdown.