Answer:
Since scientists have not found organisms beyond planet Earth, the biosphere is defined as the parts of Earth where life exists. The biosphere is made of three parts, called the lithosphere, atmosphere and hydrosphere.
Explanation:
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It's need to pass oxygen to the blood to the respiratory system work properly I think that the answer
I would say C.
Dams don't use any chemical means to get their energy output, so B and D are out. A converts to potential energy which can't produce electricity without being set in motion, so it doesn't work. That leaves B, which makes sense. Potential energy to mechanical energy to electrical energy.