Definition of moderate exercise?
30 minutes a day for 3 days a week
The body needs more recovery time in between more enduring repetitions. A more strenuous exercise would therefore require more time to rest due to the increased buildup of lactic acid compared to the moderate exercise. The resulting more strenuous exercise is probably better to do less repetitions than one would do with a moderate exercise.
When doing vigorous exercise such as running do you burn almost nothing but glycogen and hardly any fat at all?
Vigorous exercise does in fact burn a solid amount of fat, frequently more fat than less intensive exercises. It's true that a higher percentage of calories will come from fat during moderate exercise as opposed to intense, but the total number of calories burned from fat during intense exercise can be greater than moderate exercise.
It depends on how much you weigh and how hard you exercise. Here's a very, very rough estimate. If you're an average person, to loose a pound, you need to exercise for 12 hours at a moderate pace, or 6 hours at a vigorous pace. So, if you add a half hour of moderate exercise to your day, every day, it will take you almost a month to loose a pound. That's 12 pounds a…
It depends on your definition of "living". If it includes the way you eat, it is best to moderate one's intake of fat, sugars, hydrogenated oils, carbohydrates . However, if one is to follow a healthy diet, it should be followed in conjunction with an exercise regimen that specically tailored to achieve desired results.
It depends on the type of exercise and the shape you are in. Vigorous exercise will increase the pulse/heart rate, moderate exercise may not so much especially for athletes, low impact exercise often is not sufficient to get the heart rate up unless the person is morbidly obese/extremely out of shape.