Question

Which of the following occurs at the SLOWEST rate? A) deposition B) earthquake C) flood D) landslide

Answer 1

A. Deposition. 

Because An Earthquake occurs rather quickly, same as a flood or a landslide. 

Answer 2

I wanna say that it is A then. Sorry I will change in a little bit if wrong but that is what I know.
Hope this has helped!