Answer:
The correct option is A. A directory of relatives' phone numbers
Explanation:
Family communication plan is a measure taken to contact the relatives of a person if an emergency situation arises for a person. In today's modern world, emergencies can happen at any time so it is very important to have a family communication plan so that the relatives of a person be informed immediately. Hence, option A is correct.
Other options are false because none of the other options will be usable in case of an emergency.
Since enzymes function as organic catalysts, a cell would not be able achieve homeostasis if the required enzymes were not present.
I would say that this is the cell wall because it provides strength and protection for the cell. The armor for Nights is protection for the person inside of the armor. Hope this helps!
