Q: Stis are diseases caused by what that spread through sexual contact? Read this paragraph and choose the correct option from the provided answers: STIs are diseases caused by pathogens that spread through sexual contact. Abstinence from sexual activity and other risk behaviors is the only completely effective way to prevent the spread of STIs. Choices: - amoeba - ecosystems - parasites - pathogens A:
The answer to this question is:
pathogens