Everyday Science MCQs
Q During which process of energy exchange does cold air displace warmer air?
  • A A. Convection
  • B B.  radiation
  • C C.  conduction
  • D D.  none of these
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Word of the Day
20 Oct
Ghastly
causing great horror or fear.
بھیانک، خوفناک، ڈراﺅنا

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