The correct answer is muscular. When you work out, you are using your muscles to help you perform well during fitness exercises. When your muscles are overused, you will feel sore the next day because your muscles had to work hard.
Answer:
writing environmental regulations for businesses and people to follow
Explanation:
Answer: Uncertainty
Explanation:
The principle of science used here is uncertainty. The various doctors attributed their sickness to hookworm gotten from cat and dogs but the uncertainty here is that it wasn't described they had access to the water because they were disappointed by the feces of dogs and cat found around, and how they all got the same rashes at the same time is questionable