Part A

In "Ocean Noise," what can be inferred about noise pollution in the ocean?
A. A single instance of noise pollution can affect marine life over great distances.
B. Even the smallest amounts of noise pollution kill large numbers of marine life.
C. Certain sounds are quiet enough to not be amplified in the ocean.
D. Small amounts of noise pollution are not dangerous to marine life at all.

Part B

Which evidence from the text best supports the answer to Part A?
A. "Many of us think of the oceans as silent places. On the contrary, they are filled with a variety of sounds."
B. "We know that sound travels faster in water than it does in air. This means that sounds in the oceans can travel for many, many miles in a short period of time."
C. "Air guns are instruments that are used to determine the location of oil and natural gas beneath the sea floor. They make a sound that can damage the hearing of ocean animals."
D. "Ocean noise is the term used to describe the human-made noise occurring at increasing rates in the ocean."