Which of the following is NOT a metamorphic rock?
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Saturn is the _______ planet from the Sun.
A deep crack in a glacier is called
Which of the following planet is also known as 'Earth's twin'?
Study of earth is known as
Living things constitute the biotic component of the ___________________.
Panthera Tigris is the scientific name of
The Great Smog of 1952 was a severe air-pollution event which affected _______.