Which disease might be prevented by not sharing a water bottle?

a. flu
b. gum disease
c. athlete's foot
d. staph infection

The flu, since gum disease can not be passed on and athletes foot has absolutely nothing to do with your mouth. Also stahp infection is an infection caused by bacteria commonly found on the skin or in the nose.

Taking a shower. why is cause as you shower the water is running more than taking a bath, washing a load of dishes or brushing your teeth. water is being used more by taking a shower and depending on how many people live in the household that take showers. some take a shower twice a day.