You start to sneeze and cover your mouth with a tissue. Which type of muscle control have you just used? A.
only involuntary
B.
only voluntary
C.
involuntary and then voluntary
D.
voluntary and then involuntary

c. are smaller than lakes. Ponds and lakes are often indistinguishable, and rules in classifying may differ per region. But ponds are relatively smaller than lakes and more shallow. Lakes are deep  enough that light cannot penetrate the bottom of the water.