The right answer is digestive. Cause when you hear gallstone it is digestion most of the time.
Answer:
Friction is a force that always opposes all motion; it always acts in a direction exactly opposite to that in which an object is moving (or trying to move), and typically comes when the surface rubs or drags against another as it moves.
Explanation:
Your answer should be <span>prophylaxis</span>
The answer is C because sulfur is a rock, not an electrolyte.
