Ignacio's grandmother is becoming old and trail. Which describes a technology that can help her stay in her home instead of moving to a nursing home?
O a technology-enhanced refrigerator that tells her when she is out of milk
O a medical-alert bracelet that informs first responders of a fall or an emergency
O a wheelchair that is equipped with a motor and power steering
O a fitness tracker that keeps a record of how much sleep she gets each night

[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.

What happens in the process of photosynthesis

Which type of rehabilitative care would most likely use strength-training equipment?