Because humans have five senses: feel, see, taste, hear, and smell. When you step on a nail you basically going to feel it and you brain can sense that and it can trigger nerves which can cause pain.
Answer:
retrovirus
Explanation:
a retrovirus inserts RNA to produce the viruses DNA in the hosts cells
this is why mothers can pass HIV and other retroviruses through pregnancy or breastfeeding
The answer to your question is A or C, because from doing weight resistance training you would gain more muscle.
It occur when plaque and bacteria is not adequately removed from the surface of the tooth
If this left untreated , it will create holes in your teeth which eventually make it more prone to destruction
