Do you find that all living beings need the same kind of food?

All living beings are composed of ______ ?

why do living beings and machines need energy ?

Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible.? If yes, why?, If not, why not?

Why do we need to take food?

Water is very precious for all the living beings. What will happen in future if we do not save water now?

Why do organisms need to take food?

people of all ages need to do the same amount of exercise.

Food is one of the basic requirements of all living organisms. The major components of our food are