Answer:
kháng thể, pentraxin và các tầng bổ sung và tiếp xúc
Nail biting happens Because people have anxiety. The nail biting relieves stress, tension, and or boredom.
Hope this helps
~QueenSupreme aka Black-Rose♥
The correct answer is D. Assimilation occurs when a person uses what he or she already knows and applies it to a new situation.
