Guide Star, American Red Cross, American Heart Association, and Habitat for Humanity
Answer:
Wrist and chest Monitor
Explanation:
The wrist and Chest Monitor would be the most useful in determining whether you are staying within your target heart rate zone during a workout because during workout or any kind of activity to get the heart rate of an individual it is mostly gotten from the chest and wrist of the individual.
Calorimeter is used to measure the amount of calories in the body or the amount of calories burnt during workout of the individual while the wrist and chest monitor measures the heart rate.
Answer:
Twitter
Explanation:
because it contains the latest news and because it is easy to use and around the world
This is more of an opinion based question. We can't really help you. Sorry
