<span>The answer for your question is
B. A warm air mass overtakes a cold one, and the warm air gradually rises and cools. The water in the air condenses to form clouds and gentle rain.</span>
I’m not sure but I’m guessing the answer would be the first one !
I believe this difference in concentration of dissolved Particles from one location to another is called a concentration gradient.
Their body might break down lipids instead of carbohydrates causing the person to lose weight or become malnourished after a period of time