What are the principles involved in the process of sewage filtration?

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection

Although the percentage of teens smoking has gone done in recent years, the number is still approximately percent. question 15 options: 10 30 40 20

For yokos physical fitness class she is supposed to do a certain amount of aerobic exercise what is best for her