At present, ___________ elements are known to us, out of which ____________ are naturally occuring.
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98
In a compound, the constituent elements are present in a ________.
A change that occurs naturally is known as ‘natural change’. Whereas, a change that is caused due to the interference of a man is known as ‘man-made change’.
Statement 1: Moon is a natural satellite of Earth.
Statement 2: Man-made satellites launched from Earth to orbit around it, are known as artificial satellites. But, moon is a naturally occuring celestial body, which revolves around Earth.