Sources of water pollution include industrial waste, agriculture, and sewage. secondary primary minor evaporative

Prescription drugs account for 25% of all healthcare-related costs. true or false

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Hi! i’m not sure if i’m right can someone : ) deborah is attempting to understand her personality type and preferences in order to decide on her future profession. which personality assessment is most likely to give her the information she desires? a. big five test b. myers-briggs type indicator (mbt) [i think it’s this one not sure] c. thematic apperception test (tat) d. minnesota multiphasic personality imventory (mmpi-2)