Answer:
B: Population
Explanation:
Population is the number of people (well species) living in the same area at the same time.
B) Ecosystem - which includes the living communities and nonliving factors in an environment
Answer:
D.
Explanation:
The reactants used in photosynthesis are H2O(water), CO2(carbon dioxide), and light(sunlight) energy. These are used to produce glucose for the plant and oxygen which is released.
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