Please choose the correct answer to the question: Plants can help prevent erosion or contribute to erosion. Which describes how plants could contribute to erosion?

Answer1: Plants slow the runoff of water and soil. Answer2: Plant roots grow in rocks, breaking the rocks. Answer3: Plant roots hold the soil in place against wind. Answer4: Plants break the impact of raindrops before they hit the soil.

Answer format: answer1/answer2/answer3/answer4