Why are plant oils important in our diet?

Plant oil or also called as vegetable oils are considered as important part of our diet because it is the source of  energy in our diet. Foods that are cooked using vegetable oils produce more energy than to those foods that are cooked using other oil. Vegetable oils also contains saturated and unsaturated fats and oils.
Vegetable oil or plant oil are healthier compare to the other oil. It also lessen the unwanted and unhealthy fats of an oil and gives only proper health diet to our body.

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .