Explain why levels of lipids in our diets are lower than the amount of lipids found in the human body composition.

Energy requirements of body are fulfilled with the foods which take less time to be digested like carbohydrates and proteins as compared to lipids. Therefore our food should contain less amount of lipids

Because the digestion of lipids is time consuming process therefore food is stored in the form of lipids in the body for future use. That's is why levels of lipids in our diets are lower than the amount of lipids found in the human body composition.  

Explanation:

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !