Use the drop-down menus to complete the sentences. The only way to prevent people from contracting both curable and incurable STIs that is effective 100 percent of the time is with . The risk of contracting hepatitis is lowered when a person receives . are protective barriers used to reduce the risk of contracting an STI.

1.) abstinence

2.) vaccination

3.) condoms

Explanation:

You didn't include the options from the drop down menus that are mentioned in your question, but the above answers are my best assumptions given that abstinence is the only way to 100% effectively prevent STD's/STI's, there are vaccinations available to protect against hepatitis, and condoms are used as a barrier to reduce the risk of STD's/STI's. That could also be answered with "female condom".

.) abstinence

2.) vaccination

3.) condoms

Explanation:

edge 2020

the answer is b its not mature

best answer is f