The most abundant element in sea water is
The sea water contains 18.98 parts per thousand of chlorine, 10.56 parts per thousand of sodium and 1.27 parts per thousand of magnesium.
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Which one of the following is a natural colloid ?
Generally unemployment in a developing country takes place because of ___________.
The law of constant proportions was enunciated by
The National park ' Valley of Flowers' lies in the state of
The main interface in Windows and OS X is __________ interface.
Select the synonym of
gripe
Rearrange the parts of the sentence in correct order:
Guardians of
P-the tyranny of the stateQ-four square againstR-intellectual liberty must stand