Answers

2015-06-10T16:29:31+08:00
Its all abou learning different branches of science ex.Biology,Chemistry,Geology,Zoology,Astronomy and Botany (but there are many branches..)

(I wrote this on my own..so you cant see this on Google or whatever sites)
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2015-06-11T20:45:19+08:00
the intellectual and practical activity emcompassing the systematic study and behavior of physical and natural world through observation and expirement..
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