Understanding Erosion

What is the primary force behind water erosion?

• Moving water

• Biological activity

• Wind

• Gravity

Which natural phenomenon can transport dust from the Sahara to the Amazon?

• Glaciers

• Gravity

• Wind

• Rivers

What is the process called when glaciers pick up rocks as they move?

• Deposition

• Abrasion

• Hydraulic action

• Plucking

How does gravity contribute to erosion?

• By transporting dust

• By creating U-shaped valleys

• By forming sand dunes

• By causing landslides

Which type of erosion involves animals moving soil and rocks?

• Water erosion

• Wind erosion

• Glacial erosion

• Biological erosion