This varies from individual to individual. We all have what is called a NEAT level (non-exercise activity thermogenesis) that includes activities such as fidgeting, the energy needed to support our...
It depends on what your diet is. If you exercise and eat vegitables regularly, you would lose for weight than people who lie around and eat potatoe chips. Hope this helps! - Oh and make friends with...
Sweating for one hour will only lose you fluids, maybe 2 lbs worth, which you'll put right back on once you have a drink. And staying dehydrated is a worse option. So it's not really worth it.