Question

What is pig iron? What is migration ​

Answer 1

Pig iron is the intermediate product extracted from iron ore in a blast furnace. Pig iron is used as raw material in steel making. Pig iron gets its name from the old fashioned method of casting the iron into moulds arranged in sand beds so that they could be fed from a common runner.

migration means the movement from one area to another.

Answer 2

Pig iron is a crude iron obtained from smelting... Migration is a process where birds search for food and shelter