Question

how are mountains useful to man

Answer 1

mountains provides humans with different types of minerals.
ex.-uranium
iron
etc

Answer 2

Answer:

Usefulness of Mountains

Mountains are a storehouse of water. Many rivers have their source in the glaciers in the mountains. Reservoirs are made to harness this water for consumption, irrigation and generating electricity.

River valleys and terraces are ideal for the cultivation of crops. Mountains have a rich variety of flora and fauna. Mountain forests provide fuel, fodder, shelter and other products like gum, raisins, etc. Mountains provide an idyllic site for tourists. Several sports like paragliding, hang gliding, river rafting and skiing are popular in the mountains.