What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Olive, Canola, Corn, Coconut and Vegetable Oil

Human diet is the most diverse diet among all organisms and contains number of variety of food and eatables. A balanced diet is necessary to keep human body fit and healthy. It is also necessary for the humans to perform the activities of daily life as it provides the energy to do the essential works.