The sum of the gravitational potential energy and kinetic energy is called .

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.