how does increased physical activity help prevent weight gain​, please include atp, energy, cellular respiration, co2 and h2o

Physical activity increases people's total energy expenditure, which can help them stay in energy balance or even lose weight, as long as they don't eat more to compensate for the extra calories they burn. Physical activity decreases fat around the waist and total body fat, slowing the development of abdominal obesity.

The answer is telescope.