A. Depressants because its used to treat depression and other pschylogical problems.
I believe the correct answer is B. Spread by contact.
Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
Answer:
it would be A, Alternative
Explanation: