Multiple choice

Why do lakes near glaciers and mountains have clear water?

  1. little sediment

  2. not many small phytoplankton

  3. A and B

  4. none of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lakes near glaciers are clear because they have little sediment input and low levels of phytoplankton, which are the primary sources of turbidity in many other lakes.