Id search it up if i were you
Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. The bigger the concentration gradient, the faster the rate of diffusion is.
The answer is B. We don't always have exact proof but our observations tell us more than we already know.
Solution;
Unsaturated fats are typically liquid at room temperature. Unsaturated fats come primarily from plant foods, such as nuts and seeds, and. Examples include vegetable oils such as olive, peanut, safflower, sunflower, soybean and corn etc
While,
Saturated fats – which are found in butter, cheese, red meat and other animal-based foods. Decades of sound science has proven it can raise your “bad” cholesterol and put you at higher risk for heart disease.
Thus the saturated fats are differs from the unsaturated fats.