1. How many muscles are in the human body?
2.What diseases affect the muscular system?
3. What are the functions of the muscular system?
4.what are two types of muscle fibre?
Proton is positive.(+)
Neutron is neutral(0)
Electron is negative(-)
Sounds true to me. But to make sure search it up on quizlet
Explanation:
The answer is A. It receives less direct sunlight.