Urine is produced in __________
At night, Plants intake __________ and release __________
Oxidation is a chemical reaction involving the __________
GPS is an abbreviation for
In general, Comets have __________ orbits
The planet that moves round the Sun at the highest speed is
The nearest planet to the Earth is _________
In a very low temperature which from the following will freeze at last
During winter in cold countries, the __________ is mixed to melt the ice on the icy roads
The fluid part of blood is known as __________
