8. What happens to the environmental impact when there is a spike in anthropogenic activity? *, A. it decreases, B. it constricts, C. it amplifies, D. it does not impact the environment, 9. Which of the following are the reactants for photosynthesis? *, A. glucose, oxygen, carbon dioxide, B. glucose, oxygen, water, chlorophyll, C. light, water, carbon dioxide and chlorophyll, D. oxygen, carbon dioxide, rain, 10. Which best describes the relationship between photosynthesis and cellular respiration? *, A. The energy captured in photosynthesis is used to power cellular respiration., B. The energy transformed in cellular respiration is used to power photosynthesis., C. Photosynthesis and respiration perform the same task in terms of energy transformation., D. Energy is not involved in either photosynthesis or cellular respiration.