Crossword Puzzle Clean EnegyOnline version Clean Energy by Nobali Fernández 1 is heat derived within the sub-surface of the earth,can be used for heating and cooling purposes or be harnessed to generate clean electricity. 2 is energy that has been derived from Earth's natural resources 3 is derived by capturing radiant energy from sunlight and converting into heat, electricity or hot water 4 is the use of wind to provide the mechanical power through wind turbines to turn electric generators and traditionally to do other work, like milling or pumping. 5 is organic matter that comes from recently living plants and organisms 2 3 5 4 1
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