Which is one characteristic shared by electromagnetic and mechanical waves? Both have a crest and a trough.
Both move due to particles bumping into each other.
Both are formed by charged particles.
Both occur as a result of a disturbance.

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional

Your an average, moderately active adult female . therefore , you should consume approximately calories and 60 grams of fat.

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