I'm pretty sure the answer is B, but don't hate me if I'm wrong
When scientists use the law of superposition to determine the age of a fossil, they go by the principle of 'every undisturbed layer of rock is older than the layer above it. This is not the most precise way of determining age, and in fact this method can only reveal the approximate age, but not the exact one.
Answer:
Water distribution
Explanation:
The human body uses water in all their cells as matter fact the tissues in body and brains need water to regulate the flow of temperature. As energy is needed for breathing and sweating and digestion also hence the water is needed as important component in the body and thus its prope distribution is a must. 95 percent of human body is amd up of water in the from of fluids, without water civilization would not have existed.
It means, "Good morning Esteban"