Jorge has been feeling sluggish and having trouble concentrating in class. which of these options would him regain focus in a healthy way?

Are needed by the body in large amounts in order to maintain good health

Adog begins walking at a speed of 6 kilometers per hour. after 1 hour, the dog is walking at a speed of 4 kilometers per hour. which is this an example of? a. positive acceleration b. negative acceleration c. speed

Which statement describes the u.s organ donation system? a. about 200 lives are saved per year b. transplant recipients must pay for organs c. the waiting lists for organs are very long d. it is mandatory