Answer:
Wind turbines use blades to collect the wind's kinetic energy. Wind flows over the blades creating lift (similar to the effect on airplane wings), which causes the blades to turn. The blades are connected to a drive shaft that turns an electric generator, which produces (generates) electricity.
Answer:
The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water is called photosynthesis.
Answer:
Organism, population, community, ecosystem
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