Answer:
D) photosynthesis and cellular respiration both require chemical energy to make food
Explanation:
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Photosynthesis and cellular respiration both store energy in chemical bonds.
Photosynthesis is the process by which green plants make food using sunlight and in the presence of chlorophyll. During photosynthesis, carbon dioxide is combined with water to produce glucose, oxygen and ATP molecules.
During cellular respiration, oxygen breaks down glucose in the mitochondria to yield CO2, H2O and ATP. In both cases, ATP which is the energy molecule of living things is produced. Therefore in both processes, energy is stored in chemical bonds.
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