Author Question: A swimmer cannot snorkel more than a meter deep because air A) in the lungs cannot easily be ... (Read 55 times)

ereecah · **on:** Jul 29, 2018

A swimmer cannot snorkel more than a meter deep because air

A) in the lungs cannot easily be expelled.
B) tends to liquefy in the snorkel tube.
C) is buoyed up leaving the swimmer breathless.
D) at the surface will not freely enter the higher-pressure region in the compressed lungs.
E) all of the above

Question 2

When a gas in a container is squeezed to half its volume, its density

A) halves.
B) doubles.
C) quadruples.
D) remains the same.