Biological diversity. It studies all living organisms and how they interact with each other and their environment.
The reactions release chemical energy that the cells can use to power growth and other important cell processes
Coal is considered a non renewable source because the earth cannot replenish it.
C. Although Alpha Centauri B is similar in size to the sun, it is much further away from earth. The sun is 8 minutes away from earth at the speed of light, while Alpha Centauri B and earth is more than 4 light years apart.
