Observation is the first step of a new inventor


  • I think that is so important to know about science theories to survive in day to day life.
  • Someones say that Science is magic ,but i don't accept that saying, because science always haves a theory but  magic there's  no theory, so magic can't believe and science can believe.
  • To know about science theories I think the topics below would be helpful. [reasons]

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