Compare and contrast aerobic physical activity with anaerobic physical activity.

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?

The main reason tommy might use static stretching is a. to relax his entire body b. to prepare his muscles for sports c. to increase his long term flexibility d. to slow his body down after exercise

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?