Chlorophyll was first isolated and named by
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Concentration of water vapour in troposphere is
Which of the following is NOT an effect of Noise Pollution?
Which among the following is the major cause of acid rain?
In 1981, ISRO launched India's first geostationary satellite called -
In the nature versus nurture debate sociologists claim that
Which among the planets is orange in colour with white bands on it?
Which of the following layers of the atmosphere makes Radio Communication possible?