Weathering Processes Quiz

What is the primary cause of biological weathering as described in the video?

• Chemical reactions

• Water flow

• Living organisms

• Temperature changes

Which natural phenomenon is responsible for the formation of potholes according to the video?

• Erosion by wind

• Biological growth

• Chemical reactions

• Physical weathering

How does water contribute to physical weathering in the example provided?

• By causing oxidation

• By supporting plant growth

• By dissolving minerals

• By expanding when frozen

What is the result of oxidation on rocks as explained in the video?

• Smooth surface

• Rusty red coloration

• Formation of cracks

• Increased hardness

Which element in rocks reacts with water and oxygen to cause oxidation?

• Calcium

• Iron

• Magnesium

• Silicon