One pound of body fat is equivalent to approximately calories

It has been proven that the caloric equivalent of one pound of body fat is 3500 calories approximately. One pound is equal to 454 grams and one gram of pure body fat contains 8.7 to 9.5 calories. Considering the fact that body fat tissue is 87% pure fat, we can calculate that one pound of body fat contains approximately 3.436 to 3.752 calories. 

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.