ESS
Grade-4
Easy

Question

_______is the agent of erosion that deposits the most poorly sorted sediment.

  1. Ice
  2. Wind
  3. Streams
  4. Ocean currents

hintHint:

The freezing of water inside rocks causes erosion.

The correct answer is: Ice


    The correct answer is a) Ice.
    Ice is the worst sorter of sediments. Glaciers can easily carry sediment of almost any size, and when ice flow slows down or even stops, ice density allows no sediment to build up. As a result, sediments deposited directly when the ice melts are usually very poorly sorted.