Question

How did metals make revolutionary changes in the life of man?

Answer 1

Answer:

Strong tools and weapons were made only after the discovery of metals. The accidental discovery of copper changed the style of human life. ... From iron, he developed a variety of tools and weapons such as axes, ploughs, sickles, shovels, spears, etc. Now he could cut trees, till the land and kill big animals easily.

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Answer 2

Answer:

Better tools were developed to meet the increasing needs of the people. Strong tools and weapons were made only after the discovery of metals. The accidental discovery of copper changed the style of human life. ... From iron, he developed a variety of tools and weapons such as axes, ploughs, sickles, shovels, spears, etc.