Um
OFF! -Burn more calories by sweating them out... sorry, but that's the truth.
you can burn off around 200 calories
How long it takes to burn off 3000 calories depends on the activity you choose and your size. If you select a moderate activity that burns off 200 calories an hour, it will take you 15 hours to burn off that many calories.
Exercise.
yes
Well, since 1 pound equals about 3500 calories then it well take 3500 calories to burn it off, but DO NOT try to burn it all off in one day. You can become ill and possibly die from it.
Cardio exercise is a good way to burn off calories.
Through exercise.
Through exercise.
No You cannot
about 400 calories