Astronaut Bill's mass is 77 kg. He is floating through the space station at a steady rate of 2.6 m/s. His friend John appears directly in front of Bill and throws a pillow at him at 25 m/s. The pillow weighs 6.9 kg. Bill catches the pillow and holds on to it. How fast is Bill moving after he catches the pillow?

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

it is b that is the answer.