Answer: Physical strength
Explanation:
The main difference between outdoor and indoor games is that outdoor games usually are the ones that are requiring more physical strength and indoor games are usually ones that are requiring more mental ability.
Indoor sports can be dangerous if the person is using great physical strength because the person can hurt himself or get serious and dangerous injuries.
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Physiology is the study in how well a living organisms body functions. If you deduce it down by using common denominators then it would be B
Marijuana is the the drug derived from the hemp plant.
