Can we survive only on raw, leafy vegetables/grass? Discuss.

A person who is on a long hunger strike and is surviving only on water, will have

Can the process of rusting be called combustion ? Discuss.

What do we get from cereals. Pulses, fruits and vegetables.

How can you check which one is saturated butter or vegetable oil?

Kangaroo rats can survive in the absence of an external source of water. How do they adapt themselves to such conditions?