The correct answer is B.
A combination of poor nutrition and a sedentary lifestyle are leading to greater occurrences of obesity in children and adolescents. This is true, especially in first world countries like the US. Children and adolescents are not as physically active as they used to be around 20 - 30 years ago due to advances in technology. The diets tend to be high in sugar and processed food as they are cheaper and easier to buy and easier to feed the kids with.
For minor injuries during exercise, use the rice method. rice stands for rest, ice, compression, and elevation.
Eat calcium-rich foods.
Take calcium supplements. ...
Add Vitamin D to your day. ...
Do weight-bearing exercises. ...
Don't smoke, and don't drink excessively. ...
Get your bone mineral density tested. ...
During low exercise intensity levels you would still be able to sing. Correct answer: A Low-intensity exercise is exercise that gets you to about 40 to 50 percent of your MHR. Examples include a casual walk, a stretch session, a beginners' yoga class or tai chi... Low-intensity exercises can easily become moderate-intensity exercises by upping your pace. However while performing moderate activity you can talk, but you can't sing.