Answer:
50%-70%
Step-by-step explanation:
Basal Metabolic rate (BMR) is the number of calories needed by the body to keep working at the time of rest.
BMR is also known as our body's metabolism. Therefore any increase in activity or physical exertion will directly result in your BMR.
The average Basal Metabolic rate for human being is 1400-1800 calories.
The age, environment and heredity severally affect BMR.