Why is a very large grey area on the left of the timeline shrunk into a tiny grey space on the right of the timeline?

What is the correct answer for the process of water eroding soil? rills, sheet erosion, gullies sheet erosion, rill, gullies gullies, rills, sheet erosion sheet erosion, gullies, rills

The negative impacts of nonnative species generally outweigh the positive impacts

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?