Grizzly bears often wait at the tops of waterfalls in Alaska. It is common for the Salmon (a type of fish) to leap above the water as it swims upstream. If
the bears were to try to catch the fish while they were under the water, they
would have to have really good aim. Which of the following best explains
why?
A. The bears might drink too much of the river water.
.
B. The fish are swimming and therefore moving around.
C. The bear will be moving slower in the water and may not be able to
catch the Salmon.
D. Light refracts as it hits the water so the fish may appear to be in a
slightly different location,