Answer:
D. None of the above
Explanation:
Gonorrhea is caused by the bacterium Neisseria gonorrhoeae.
8 people in total. There should be 4 couples
They have an effect because the bigger the school the more activities you can do because you have more people.
Well if you already have the silver stuff on your tooth the only way to get it out is if your tooth falls out or if the stuff scrapes off...or you could just lower the amount of sugar intake you have.
Hope I could help!!