If the hand cart that the delivery person is using to transfer food from the truck to the restaurant is soiled with food debris, which action would prevent cross-contact from the hand cart?

Ais a fluid-filled space between two neurons through which neurotransmitters travel. it is in this area where messages are transmitted chemically. a. terminal button b. synapse c. neuronal membrane d. synaptic vesicleits b, i just guessed it and it turned out to be right.

Once an action plan is in place, it should not be changed.w select the best answer from the choices provided.truefalse

[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.