2 hours +
Girls tend to gain weight around 14-16 years of age.
Guys tend to gain weight 17+ years of age.
As long as they want!! Children love to be outdoors the longer the better! At least have them spend a half an hour to forty-five minutes a day.
about half of their lifetime
Probably 5 hours
It is estimated that the average American will spend six months of their lives waiting at red lights.
dependent upon how long the persons life is but the average person that lives up to be 65 years old.. will spend 9 years of their life glued to a television set
TOO LONG! 17% of our lives are spent waiting.
six hours
However long they need to find the SUSPECT.
Unfortunately this question is absurd and unanswerable in its current form. There is no average length of time that one should eat in order to be healthy. Obviously if you spend 20 minutes eating a nutritious balanced diet you are going to be healthier than if you spend 20 minutes eating a pile of sugar and lard.
It's dependent entirely on ventilation. If outdoors; should be negligible.
no longer than 15 to 20mins
2 min