You have answered your own question.
1 tonne of anything weighs 1 tonne.
Impossible to tell, since that will depend on the tone of his muscles.
If you do sit ups every day for a while, you may lose weight. However, you will tone your abs and stomach muscles but not have much weight loss. Sit ups don't get your cardio function up.
Depending on how much weight you lose, your age, skin tone, etc., excercise helps tone muscles but may not tighten up your skin. You should probably go to the gym three times a week and you'll be tight - ER.
Sorry, a week is just not long enough to tone or lose weight using any healthy methods.
It is supposed to help one tone their arms.
no
It does help lose weight and, helps you tone your musclesyes
T stands for tone, a metric tone. It is a unit of mass that is equal to 1000 kg.
both
Your weight is correct for your height. You should not try to lose weight - you can do some strength training to tone up, but your weight is exactly where you want it to be. Your weight is correct for your height. You should not try to lose weight - you can do some strength training to tone up, but your weight is exactly where you want it to be.
Light Weight, High Rep = Tone, Heavy Weight, less rep = bulk.
no , but they'll help to tone you stomach part