Question

please answer fast ......​

Answer 1

Answer:

1. The discover of metal helps the people to do various things which are essential for living
2. The invention of steam engine help them to do work and it also low down the load of things which they carry
3. factories made goods less expensive because it is used by machine not by the energy of the people.... If you like my answers please follow me and mark me as Brainlist THANKS ❤