Judging from Table 25.1 and given that water's density and, consequently, its buoyancy decrease at warmer temperatures, in which environment should diatoms (and other suspended particles) sink most slowly?
A) cold fresh water
B) warm fresh water
C) cold seawater
D) warm seawater
E) warm brackish water

Question

Quizplus · Accepted Answer

Cold seawater is denser than warm seawater or fresh water, providing greater buoyancy, which slows the sinking of diatoms and other suspended particles.