Answer:
B)
Explanation:
It seems like the most logical choice to me.
B) Epithelial.
Hope this helped! :)
<span>The answer is opening, wide. Employers must guard employees from three types of hazards. These include a floor opening that is large enough for a person to fall into, a floor hole that is large enough and wide enough for small items to fall into, and a wall opening that is large enough for a person to fall through and is at least 4 feet above the ground. </span>
Coming in contact with other people with cystic fibrosis, 6 feet at least at all times