Which of the following is the role of fossil fuels in the carbon cycle? O A. Preserving extinct organisms
B. Building up carbon dioxide in the air
C. Keeping populations of plants under control
D. Storing excess carbon underground

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.