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I heard geothermal energy can be inefficient and difficult to produce. 지열 에너지는 비효율적이고 생산하기가 까다롭다고 들었어.

공책에 스펠링, 뜻 2번씩 써오기 - Wordmax 2 Day 27 단어 옆 문제 풀어오기 4.Essay Topic: Find benefits of using geothermal energy and, if there is, donwsides of it too. Try to find more than 2 benefits or downsides at least. 공책에 쓸 말...

energy harnesses power from wind. Hydropower uses water, and bioenergy comes from fermenting plants and animals. Geothermal energy makes use of underground water, or heat from the earth. ​ Fossil fuels pollute the air and emit carbon in...

in the system. The air-heating element can be heated by a small heat pump, by direct solar thermal energy, annualized geothermal solar, or simply by a natural gas or oil burner. In some cases a micro-heat pump is used to extract...