If your knees hurt after a one-week walking regimen, which one of the following workout changes would be most appropriate? a. wear different shoes. b. take a week's rest from exercise. c. switch to anaerobic exercise. d. jog in a swimming pool.

In a paragraph, write a personal physical activity plan using current safety guidelines. your plan should include an approach for assessing your own physical activity level. include supporting details in the form of facts, statistics, or examples.

The future for teen moms can be compromised due to the demands of parenting.

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern