The definition of hygiene says cleanliness. A does not have to do with that. B does because keeping that clean prevents food diseases like salmonella. C has nothing to do with hygiene. D has nothing to do with being clean. So the answer would be B. I hope this helps!
Answer:
A. Medication for ADD or ADHD
Explanation:
The cardiovascular system is made up of what two systems:
a) Circulatory system and respiratory system
The perimeter is 96+96+32+32 = 256 :)
