A bubble of air released from the bottom of a lake
A)rises to the top at constant volume.
B)becomes smaller as it rises.
C)becomes larger as it rises.
D)alternately expands and contracts as it rises.
E)none of these

Question

Quizplus · Accepted Answer

As the bubble rises, the pressure decreases, causing the volume of the bubble to increase. This happens because the water pressure is no longer pushing on the bubble and the air inside the bubble expands. Therefore, the bubble becomes larger as it rises.

A Bubble of Air Released from the Bottom of a Lake