Yes, it is safe to exercise twice a day.
Granted it depends on what sort of exercise, a heavy work out isn't something you should be doing as often as twice a day, but you could stay active all day and look to exercise such as playing sports, yoga, walking, etc. As long as you're comfortable and exercising safely this is fine.
You can't ... its only for oncea day
No
It's not socially safe, and it's bad for your eyes if you're too close to the screen. Also if you dont also get exercise that day you'll get fat
It is safe to lose .90 kilos in a week. The best way to do that is to exercise and watch what you eat.
twise
No day is safe. No day is safe.
im taking twise
It is not safe for elderly to do the vestibular exercise. the age range where it is safe to do this exercise is below 45. Also it can resuly in serious health issues if younger people are also not taking care while doing the exercise
dusknoir cant evolve because its allready evolved twise
It is important to exercise every day. No day is more important. Your body and your health does not know what day of the week it is, so it needs exercise every day.
You should exercise more than twice a day
An hour a day is a perfect amount of exercise, but remember to pace yourself and joining a gym with a specialized trainer is always your best bet for safe and healthy weight loss. But this website here tells all of what you should need to get going http://www.getfitgetlean.com/how-much-should-you-exercise-a-day-use-this-exercise-checklist-before-you-start