Answer:
Chemical energy obtained from the breakdown of food molecules.
Elements and compounds. This is because in solutions and mixtures the substances are not bonded to each other or pure, you can separate and purify substances in solutions and mixtures (via techniques such as distillation, filtering) but you cannot separate compounds as they are bonded together.
The water on your skin is evaporating, pulling heat with it. This is called evaporative cooling.
Answer: The proteins were no longer soluble in the blood.
D. a and b because same-charged particles repel each other
