Karina walks outside two times per week for 35 minutes at a speed of 3.0 miles per hour. She wants to improve her intensity. What should she do? A) walk at 3.5 miles per hour

B) walk for 40 minuets

C) walk 3 times per week

D) walk only on flat surfaces

Describe three ways in which technology has treat the flu

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

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp