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  1. what is one reason why the percentage of overweight teens has increased over the past 50 years
Ateenagers spend a lot more time outside
Btelevision commercials promote healthy food
Cthere is more junk food and fast food available

2.BMI is a ratio of

Aheight to body fat
Bweight to height
Cmuscle mass to bone mass
Dweight to activity level

  1. what is the best way for you to take care of yourself
Aparticipate in a variety of physical activities
Bworry about being physically perfect
Ceat more calories than you can burn
Dmake yourself look like TV stars and models

Verified Answer :

LearnGrow
  1. One reason why the percentage of overweight teens has increased over the past 50 years is that there is more junk food and fast food available. Answer:C
    In the past people eat much healthier and organic food. They prepared the food by themselves, and that food contained vitamins and minerals. The junk food is fast prepared food that lacks of vitamins.
    2.     BMI is a ratio of height to body fat. Answer: A . 
    BMI stands for Body mass index .It is a parameter used  determine whether a person is in a healthy weight range for your height.
    3. T    he best way for you to take care of yourself is to participate in a variety of physical activities. Answer:A
    Physical activity has many benefits: it is good for emotional health-it makes you happier, it is good fr you physical health - your body but also it is good for your social life.

Answer: BMI is a ratio of Weight to height

Explanation: