Which gas is the major pollutant of air?
The gas used in refrigerating appliance causing serious damage to ozone is _____________ .
The common factor 12y and 30 is _____.
The common factor of 8a2b4c2, 12a4bc4 and 20a3b4 is __ .
Which star is nearest to Earth?
_____ was the first Indian satellite.
Autocorrect feature is NOT used to correct which of these?
Which command takes you to the first slide in the presentation?
We have reposed our utmost faith __________ him.
See what he has reduced himself ____________.