The Great Smog of 1952 was a severe air-pollution event which affected _______.
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Earth is the _______ planet from the Sun.
Bulb is a modification of which part of a plant?
Polio is a disease caused by which of the following?
A person who writes music -
A composer is who writes music for a song whereas a lyricist is who writes lyrics (words) for a song.
Particulates (< 1 μm size) remaining suspended in air indefinitely and transported by wind currents are called
How many days moon takes to revolve around the earth?
The Moon takes about 27.3 days to perform one complete orbit around the Earth.
On which date is India likely to experience the shortest day?