Question
When did man appear on the earth ?
Solution
Appearance of man:
(i)The earth is believed to be 4 thousand and 5 hundred million years old but man is considered to be only one million years old.
(i)The earth is believed to be 4 thousand and 5 hundred million years old but man is considered to be only one million years old.
(ii)Man's development was very slow. It is believed that our own species appeared only 30,000 or 40,000 years back. This species is known as the Homo Sapiens. All human beings belong to this species.
Tips: -
(Imp.)
