It is called Accommodation
The answer is "2 fluoride ions".
I think the answer is A Because they have to match each other
I hope this helps :)
Refocus the conversation on the client's fears, frustrations, and anger about his/her condition.
Refocusing the conversation will allow the client express or verbalize his feelings about his condition that may be the source of his frustration. It also helps relieve anxiety.
D)
The cells appear different because they have specialized to carry out a specific task and developed accordingly.