what is food? why do all living organisms need food? give reason-many countries around the world are facing shortage of food?
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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
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the complex substances that we intake during lunch , breakfast or dinner is called food
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