8 hours.
I'm Japanese myself, so I'm not really sure... but from what I heard... Chinese people believed that there are some tensions between us, and rumors claimed that the Japanese people are creating atomic bombs. Hence, young Chinese students are forced to stay at least 15 hours in school to educate the physics, and chemistry to create the bomb. I think they are stupid.
Hippo can stay in water for 16 hours
Kids stay in school for about 8 hours a day depending on where you live and for roughly 14 years on average.
then I will stay after school for 2 hours?
16 hours
Five hours is the average time that a student is required to remain in school, indicating that the school only gets paid if you stay for five hours or more.
For about 3 hours.
to learn for 6 hours and to have break with your mates and lunch to eat if their was school for 2 hours you would not learn much and have to stay at school in the summer holidays
Forever
12
A dog can stay without peeing for max of 4 and a half hours
That varied from mission to mission.