Answer:
Energy is at the heart of the climate challenge – and key to the solution. Generating electricity and heat by burning fossil fuels – coal, oil, or gas – causes a large chunk of the greenhouse gases, such as carbon dioxide and nitrous oxide, that blanket the Earth and trap the sun's heat.
Step-by-step explanation:
Power consumption is the amount of energy used per unit time. Power consumption is of great importance in digital systems. The battery life of portable systems such as cell phones and laptop computers is limited by power consumption.
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