Warm air is ______.
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A body has a weight W on the surface of Earth. What is its weight on a planet whose mass is 15 times that of Earth and a radius that is 4 times that of the earth?
Precipitation in the form of a mixture of rain and snow is called
A fresh egg when placed in salt water will
Rayon is obtained from which among thefollowing?
BrahMos Aerospace is a joint venture company set up by Russia's Mashinostroyeniya and which other company of India?
Which of the following country’s national flag has a Dragon on it?
Which of the following layers of the atmosphere makes Radio Communication possible?