2,3, and i am not 100% sure but i also think 5.... when you starve your body attacks fat and muscle to use for energy until you consume some sort of calorie.
A drop in the number and productivity of workers :/
Answer:
Multiple Sclerosis
Explanation:
Multiple Sclerosis is a disease in which <u>the immune system eats away at the protective covering of nerves</u><u>.</u>
<u>Consider Brainliest! Hope I helped!</u>
I’m pretty sure it would be B :)
Their brains has grown 4 years old