Question

Answer in brief: (a) Give three ways to save energy. (b) State any three advantages of solar power, (c) State any three uses of biogas. (d) Why should we conserve coal and petroleum? (e) Why do we grow trees around the industries? (f) What is the significance of Bhakra Nangal Project? (g) Write a note on the advantages and disadvantages of multipurpose projects.​

Answer 1

please mark as brainliest.

i have been typing for a long time.