Answers

2016-05-07T19:37:33+05:30
Whether it is edible and gives us energy
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2016-05-08T17:48:12+05:30
I think it should be which we can eat and we can digest it for example we can not digest cellulose but we  can digest glucose and gives us energy mainly in short a thing which gives us energy and can easily be digest without harming our body in order for growth is known as food 
I HOPE IT WILL HELP YOU 
THANKYOU 
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