Can students leave school if there are paint fumes inside the school?

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

Anwhen planning a water activity, it's best to include a friend or a group of friends rather than going alone, even if it's aneasy activity.tf

Which of these gives the best indication that a health service is based on pseudoscience?