Weathering Processes Quiz

What is the primary cause of biological weathering?

• Wind erosion

• Acid rain

• Organisms like plants and animals

• Temperature changes

How do plants contribute to the weathering of rocks?

• By absorbing water

• By providing shade

• By their roots growing and splitting rocks

• By secreting acids

What human activity contributes to chemical weathering through acid rain?

• Agriculture

• Mining

• Deforestation

• Burning fossil fuels

What is the main process involved in freeze-thaw weathering?

• Wind erosion

• Plant root growth

• Expansion of ice in cracks

• Chemical reactions with rainwater

What does exfoliation in physical weathering refer to?

• The formation of new minerals

• The growth of plant roots

• The peeling of rock layers

• The melting of ice