Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.
Explanation:
<span>C.Enough supporting evidence has accumulated for it to be called a theory.
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Answer: Bacteria are much larger than viruses, and they are too large to be taken up by receptor-mediated endocytosis. Instead, they enter host cells through phagocytosis. Some pathogens, however, have acquired the ability to survive and replicate within macrophages after they have been phagocytosed.
Explanation: This is my answer
Its described as 2n. <span />
People breathe out Carbon Dioxide and plants use that Carbon Dioxide to carry out photosynthesis. Plants release oxygen as a by- product that people use for cellular respiration.