Concentration of water vapour in troposphere is
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In India which of the following taxes is levied by the State governments?
A conductor having some appreciable resistance is called a
The number of days' sales uncollected is calculated by
Common salt (NaCl) is made up of
Which kind of cell division is used to repair an injury by the body?
Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the
What is the other name of sodium carbonate?