Warm air is ______.
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Meter in a vehicle that calculates distance covered by the vehicle is called __________.
Thermal electricity is generated by using which of these ?
One of the best solutions to get rid of nonbiodegradable waste is
First man to go into space was
ABM stands for ______.
Identify the positive impact of internet in life.
The headquarter of Organisation for Economic Cooperation and Development (OECD) is in _____.
The headquarter of Organisation for Economic Cooperation and Development (OECD) is in Paris, France.