What is the slowest type of mass wasting process?
a. debris flow
b. rockslide
c. creep
d. rockfall
e. valanche

C. Creep

Explanation:

Creep is one of the main classes of mass movement which is very slow and it's a continuous process that occurs for decades, though it is not physical but the effect it create can be seen.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.