1. Why are areas with fine sediments, such as beaches, so vulnerable to erosion? 2. Describe how the smallest sediments (those on the scale of atoms), medium-sized sediments, and large sediments move...

1. Why are areas with fine sediments, such as beaches, so vulnerable to erosion?

2. Describe how the smallest sediments (those on the scale of atoms), medium-sized sediments, and large sediments move downstream.

3. In what way is a glacier like a bulldozer? Like sandpaper?