What effect does temperature and pressure have on the speed of sound when entering seawater?
A) The speed of sound increases as temperature and pressure decreases.
B) The speed of sound increases with temperature increases, but decreases with pressure.
C) The speed of sound decreases as temperature and pressure decrease.
D) The speed of sound is impacted by pressure but not temperature.

Question

Quizplus · Accepted Answer

The speed of sound has a direct correlation with temperature and pressure. Sound travels faster in warm surface waters than in deeper, cold waters. After the sound reaches a minimum level, the speed of sound begins to increase again. Information can be found in the section Sound Travels Much Farther Than Light through the Ocean.

What Effect Does Temperature and Pressure Have on the Speed