If liquid water froze at the same temperature at which it is most dense,
A) the surface of temperate-region lakes would tend to freeze before deeper regions.
B) deeper regions of temperate-region lakes would tend to freeze before the surface.
C) no thermocline would form in the summer in temperate-region lakes.
D) the epilimnion would freeze first in temperate-region lakes.

Question

Quizplus · Accepted Answer

Water is most dense at 4°C. If water froze at this temperature, the denser, colder water would sink, causing deeper regions to freeze before the surface.

If Liquid Water Froze at the Same Temperature at Which