Which is an example of a high-risk behavior that increases the likelihood of contracting an STI? a)using a public restroom
b)having multiple sexual partners
c)sharing a glass of water
d)holding hands with a partner

B)having multiple sexual partners

Explanation:

Because having multiple sexual partners would increase the likelihood of getting a STI

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.