Why does a black board appears black in colour?
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Which of the following pairing is incorrect
____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.
During the night, the direction of the wind would be from the __________________.
The area under a Velocity-Time graph represents ______________.
Bubbles of air rise up through liquids due to
Which of the following is a Saprotroph?
Who appoints the Finance Commission in India?