Help my fellow humans Producers of many mouthwash brands claim that using mouthwash prevents tooth decay. What is the best conclusion regarding these mouthwash brands and bacteria in the mouth?

Mouthwash contains ingredients that kill harmful bacteria.
Mouthwash contains helpful bacteria that produce oxygen.
Mouthwash does not really work because the growth of harmful bacteria cannot be prevented.
Mouthwash does not really work because bacteria is not known to directly cause tooth decay.

What is the best approach to selecting safety equipment for an activity

Ab+cd-> ad+bc is what kind of reaction

40 points and think about the following questions and then write several paragraphs in response: when did the fight occur, and what was it about? who was at fault—you, the other person, or both of you? why do you think it ended poorly? in general, what would you have done differently? what could you have said differently that would have let the other person know you were listening? if you could take back something you said during the fight, what would it be? what do you wish you would have said during that fight? did the fight result in your not being friends or not getting along with that person anymore? would you want repair your relationship with this person again? if so, what are some possible ways to fix the damage?