Please answer the following question: If ice causing rocks to crack by expanding in openings is a form of mechanical weathering, then what is a form of mechanical weathering? Answer choices: - microbes breaking down rock - By coral exoskeletons - wind and erosion - oxygen breaking down rock - ice expanding in rock openings - removal of rock by acid rain - remains of prehistoric life - fissures of hot, acidic water
Answer:
ice expanding in rock openings