The first law of thermodynamics states that energy can be converted from one form to another. If the sun is the ultimate source of all energy, trace the chain of energy conversions that must occur from the point at which sunlight strikes the earth's surface to the moment that energy is used to move a human finger. (1) Solar energy → Autotroph → Chemical energy → Heterotroph → ATP → Mechanical energy (2) Solar energy → ATP → Autotroph → Mechanical energy → Hetrotroph → Chemical energy (3) Solar energy → Chemical energy → Autotroph → ATP → Heterotroph → Mechanical energy (4) Solar energy Mechanical energy → Autotroph |-→ ATP Chemical energy → Heterotroph
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Anyway good night buvi have a sweet dreams..
Explanation:
Solar energy is created by nuclear fusion that takes place in the sun. It is necessary for life on Earth, and can be harvested for human uses such as electricity.
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