Phosphorus because it is an energy source and breaks down carbs proteins and. Fats
Answer:
“Non-self” materials have proteins and other substances on their surfaces that the body doesn't recognize, called antigens.
Explanation:
<span>The high surface tension helps the paper clip - with muchhigher density - float on the water. The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.</span>
