What is one of the main responsibilities of the national institute for occupational safety and health (niosh)? a. to consolidate information and statistics about health and disease b. to conduct research to learn about the causes, spread, and control of diseases c. to conduct research and make recommendations to prevent injury and illness in the workplace d. to fund studies investigating health problems in nations around the world e. to regulate the ingredients used in and the quality of food and drugs

A. hannah wants to improve her cardiorespiratory fitness levels, so she begins to alternate running on a flat track with running up stadium stairs. this principle is known as a type b tedium c time d frequency 2. charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? a lifting weights b walking from one class to another c running in a 5k race d riding a bike at a leisurely pace 3. felicia just began running this past month, but since she continues to run the exact same route and exact same distance every day, she is growing bored with her runs. this principle is known as a tedium b progression c specificity d reversibility