Choosing foods from a variety of food groups is important for good health. look at the menu below. ? is my answer right?

Which of the following is a health risk associated with ground-level ozone? a.cataractsb.skin cancerc.respiratory illnessd.all of the above

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

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