A common way for infectious diseases to spread is through the direct transfer of bacteria, viruses or other germs from one person to another.
Muscular strength and endurance go hand in hand. If you have muscular strength you can endure the weight of many heavy objects. It's impact is, it helps to make your bones strong and less frail, injuries are also prevented by a bit people who are fragile tend to get more injuries than people who workout.
Answer:
A. Demonstrate proper technique la for yoga and aerobics