Answer:
A
Explanation:
they are not personal/internal issues and they do not fit into the other catigories
<h2>Lysoso<em>mes.Lysosomes can be thought of as the waste management system of a cell. These are the organelles that break down dead cell components, food, and foreign matter, such as viruses and bacteria.</em></h2>
I think the answer to this is false its usually tooth decay and cavities is the result of tooth lose.
Answer:
<u>It is generally believed that during certain periods of life the organism may be more susceptible to epigenetic changes. In particular, it is thought that during early life, changes in DNA methylation are more likely to occur.</u>