Answer:
The best advice to give would be to direct him to the PrimeSUITE User Guide and show him the index, content and search functionality
If we do not asses our environment, our risk of sickness and disease increases. Any kind of chemical or radiological substances in the air are exposures that can affect our health. Meaning that the air we breathe, foods we eat, the water we drink from, and the products we use can sicken us if they aren't properly cleaned or pure.
A. Fertility Awareness.
Birth control affects your hormones, and condoms block the sperm from fertilizing the egg, so the only reasonable answer is A.