Answer:
They increase life expectancy and decrease population growth.
Explanation:
If less babies are dying and more families are able to raise them, then the population will flourish and more people will live to old age.
If someone is predisposed to a disease, they are more likely to contract the disease due to heredity.
I think that having a strong friendship in early in life is more important. When you are young, in my opinion, is when one needs the most support.
D) Typically someone with anxiety will be anxious at various points causing dramatic, or not so dramatic changes in mood swings. When someone has an anxiety attack, mood swings will be extremely dramatic.
I would say b., mostly because it is good to have them know why they need to act in such a manner not just the "style" of which the behavior is being done. Sometimes it is difficult for them to refine their behaviors, but it can produce progress
