Question

plz answer this it's very important from A to H please

Answer 1

a) yes iron is the backbone of industry becaus as it provide raw material to many indistries automobile industry and many more

Answer 2

f. energy is obtained from various ways
such as , solar equipments produce solar energy which can be transformed into other types
same with wind energy, tidal energy, thermal equipments
g. thermal power is https://goo.gl/search/Thermal+power+station
Thermal power station,
https://en.m.wikipedia.org/wiki/Hydroelectricity
Hydroelectricity - Wikipedia