CHEMICAL ENGINEERING
Q The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?
  • A A. 10
  • B B. 200
  • C C. 1000
  • D D. 2000
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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