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He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth. He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate. He has been recently informed by other scientists of the possibility that more sun spots will appear. He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
he can find he could find can he find could he find
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a machine using solar energy efficiently has already been developed the sun is our final source of power man uses only a tiny part of the sun's energy the part of the sun's energy we use is used indirectly
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