Question

what is food? why do all living organisms need food? give reason-many countries around the world are facing shortage of food?

Answer 1

Explanation:

Living organism need food to generate energy in them.So, that every system in their body work perfectly.

There may be many reasons of shortage of food but the major reason I think is shortage of rains in many areas or more and more rains

Answer 2

the complex substances that we intake during lunch , breakfast or dinner is called food

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