"Over-dependence on tourism" is a impact to_____________. A: Socio-culture B: Economy C: Environment D: Social risk

Guts may refer to_____________. A: digestive tract B: belly C: the inner workings of a thing D: the basic visceral or emotional part of a person

The main purpose of the text is to_____________. A: convince the reader that vaccines are not as safe as many think B: educate the reader on how vaccines are used and some of their dangers C: educate the reader on the circumstances that would necessitates widespread vaccinations D: present the method by which vaccines are used through the case of the smallpox vaccine