Which hygiene claim is supported by research? a. regular hand soap prevents disease just as well as antibacterial soap. b. brushing with fluoride toothpaste has no effect on cavities. c. there are no benefits to handwashing. d. regular professional teeth cleaning has no effect on dental health.

i think is D but for sure not B

The correct answer is A.

According to the Center for Disease Control, antibacterial soaps are no more effective than regular soap and water for killing disease-causing germs. Therefore you can use regular soap and water when cleaning your hands and they cost a lot less than antibacterial soaps.

birth control pills, the birth control patch, and the vaginal birth control ring are these hormones prevent pregnancy mainly by stopping ovulation