Question

3) The discovery of fire brought about a change to
the life of early man. What do you think those
changes were?
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Answer 1

the uses of fire are

1) It help us to cook food

2) it help us to keep warm our body during

winter

3) it help us in combustion that move a automobile and train

4) it help us in heat treating to make tools from metals

5) It help us in jhum cultivation in which trees are burn to make the soil fertile

Answer 2

Answer:

the uses of fire are

1) It help us to cook food

2) it help us to keep warm our body during

winter

3) it help us in combustion that move a automobile and train

4) it help us in heat treating to make tools from metals

5) It help us in jhum cultivation in which trees are burn to make the soil fertile

Explanation: