Answers

2015-10-15T19:31:00+05:30
Iron was the most important tool used my the early man for hunting. Without iron we wouldn't have had the transport facility, strong buildings, why 90% of the world we live in now is all because of Iron and Steel!!!!
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2015-10-16T01:02:09+05:30
Simply because these are things of which about 90 percent of worlds things are made. they are basis for almost everything to be made in this world.
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