Plants are main sources of food Justify
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World has around 50 thousand edible plantsplants are main source of food provide us with following nutrients
1. Iron- iron is essential for the formation of pigment hemoglobin which consist of iron (hame)and a protein globin. this is the component of blood which b8ndswith Oxygen.
iron is mainly provide by green leafy vegetables.
2.protein- legumes are main source of vegetarian's protein.
3.Carbohydrates-they are the main available sources of energy and are derived from plants . e.g. wheat, rice ,sugar and some vegetables
4.Calcium- they are essential for bones other than dairy products some vegetables also provide calcium. ex. spinach, cabbage,lettuce etc.
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