Depends on her attitudes, postures, health problems and genetics.
You should get an hour to two hours of exercise a day if you are 13 years old.
whats the invention, it depends x
Burning Up Years was created in 1969.
i think it occurs when you do anaerobic exercise, you can see that with your heart beat, it should be in a specific zone, most usual is by subtarcting to the maximum heart rate your age. for instance, if you are 20 years old and your maximum heart rate is 200 your heart rate should be around 180 bpm, if doing exercise and keeping this heart rate, you should be burning some fat.
It really is burning out, but there is so much gas in it that it will really burn out after about ten billion years.
A 14 years old can get fit by engaging in exercise and eating a healthy balanced diet. Exercises can include things like swimming, riding a bike, and jogging.
1,200 to 1,600 calories, with healthy choices and exercise.
I don't see why not.Not like the exercise will kill you, might hurt a bit after a while - but most exercise should.
23 years old
7 years
15,000 years
Lovermore's Centennial Light is the longest burning light, 108 years in.