Why do we need coal to generate electricity?

Why do we need coal to generate electricity?
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Thermal electricity is generated by using which of these ? (1) Coal only (2) Coal and Natural Gas only (3) Coal, Natural Gas and Petroleum (4) None of these

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To generate a rotation , we must specify a.Rotation angle θ b.Distances dx and dy c.Rotation distance d.All of the mentioned

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If all the waste we generate is biodegradable, will this have no impact on the environment? -Biology

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What are the problems caused by the non-biodegradable wastes that we generate? -Biology

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If all the waste we generate is biodegradable, will this have no impact on the environment ? -Biology

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Last Answer : If all the waste we generate is biodegradable, it will also have impact on the environment. If it is disposed off properly, the problem of air, water and soil pollution can be lessened to an ... be disease-free. But if it is not disposed off properly, it will affect the environment adversely.

What are the problems caused by the non-biodegradable wastes that we generate ? -Biology

Description : What are the problems caused by the non-biodegradable wastes that we generate ? -Biology

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