George's highest target heart rate is 170. yesterday on the stair stepper machine, his heart rate went to 172. what should he do the next time he uses this machine to get the most effective workout?

a.) use the settings of the machine to increase the intensity.
b.) use the settings of the machine to decrease the intensity.
c.) use a workout app to calculate a longer workout duration.
d.) use a workout app to calculate a shorter workout duration.

Letter of interest cover letter follow-up letter you letter send it to favorably influence employers’ decision on hiring you arrowright state how you meet the job requirements arrowright send 3-5 days after submitting your application or résumé arrowright express your desire to work for a particular company arrowright reset next

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

Summarize four pregnancy-prevention methods. discuss the benefits effectiveness and risks of each