The sun shining on a tidal pool during a hot day heats the water. As some water evaporates, the pool becomes saltier, causing
A) a decrease in its carbon dioxide content.
B) a decrease in its oxygen content.
C) an increase in its ability to sustain aerobic organisms.
D) a decrease in the water's density.
E) a decrease in the movement of the water molecules.

Question

Quizplus · Accepted Answer

As the water evaporates, the salt concentration in the tidal pool increases. This increase in salt concentration can decrease the oxygen content of the water, making it difficult for aerobic organisms to survive.

The Sun Shining on a Tidal Pool During a Hot