animals climbing up the river bank acid rain falling onto the river bank heat from the sun drying the river bank water from a flood flowing over the river bank
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which would cause the most soil to erode from a river bank in just a few days?
Possibilities:
- animals climbing up the river bank
- acid rain falling onto the river bank
- heat from the sun drying the river bank
- water from a flood flowing over the river bank

water from a flood flowing over the river bank