Question

II.
Matching:
1) Copper
2) Bronze
3) Factories
4) Coal
5) Electricity
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a) Dam
b) First metal to be discovered
c) Steam engine
d) Mixture of copper and tin
e) Big machines​

Answer 1

1. Copper - First metal to be discovered.

2. Bronze - Mixture of copper and tin.

3. Factories - Big machines.

4. Coal - Steam engine.

5. Electricity - Dams.

I hope my answer will help you.