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All the useful energy at the surface of the earth comes from the activity of the sun. The sun hea...

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gasoline  natural gas  atomic power  animal fat  
stored up by the plants  absorbed by the earth’ s atmosphere  stored up by the animals in the form of body fat  used for electric power  
one tenth  one millionth  all that comes from the surface of the sun  a very small portion  
fuels  waterpower  light  both A and B  
stored by plants  turned into fuel  absorbed by the earth' s atmosphere  used for electric power  
plants  rain  coal, oil, and natural gas  inflammable substances  
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gasoline  natural gas  atomic power  animal fat  
plants  water  rock  creatures  
directly from the sun  from the sun' s activity  from energy stored by the sun  from radiation of the sun  
one tenth  one millionth  all that comes from the surface of the sun  a very small portion  
solar activity  all heat  all food  both B and C  
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