Malthusian theory is associated with which of the following ?
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Warm air is ______.
Which one of the following is not a property of electromagnetic waves?
What is the fundamental unit of amount of a substance?
Air expands when it _______________.
The original 1950 Constitution of India is preserved in _______ ?
Rio Summit is associated with
Where is the headquarters of United Nations Conference on Trade and Development (UNCTAD) located?