Answer:
endothelium is the correct answer
It would be B or C. I'm SURE it would be C though.
"A" means to cause air to enter and circulate freely in (a room, building, etc.), which fire NEEDS air in order to be alive, so that would be BAD. "D" is saying to store guns in locked cabinets... which doesn't really make sense.
Food..........................
Answer:
Vital registration is the system by which a government records the vital events of its citizens and residents.
Hope this helps!
Explanation:
