Question

1.
The first form of life on the earth appeared in the
2.
belonging to flora world
The living zone of the planet earth is known as
3.
The human beings, who first appeared on the earth, were known as
The Taiga vegetation is also known as
The plants prepare their own food and are known as
of the biosphere.
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Answer 1

Answer:

1st answer : 4.5 billion years ago