A. Food chain
A food web also shows the flow of energy and materials through an ecosystem but in a complex web, not a single chain. A biogeochemical cycle does not deal with the flow of energy/materials through an ecosystem at all.
Jupiter that is the answer
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Answer:
single replacement reaction
C) In the absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.
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