Marine Corps Physical Fitness Test. Fitness is essential to the day-to-day effectiveness and combat readiness of the Marine Corps. The Marine Corps considers physical fitness an indispensable aspect of leadership.
A: Chemical energy is for producing heat in the human body to sustain vital functions, converting solar energy in plants through photosynthesis, producing electrical energy in batteries to power devices and burning fossil fuels in combustion engines to produce heat or motion.
Adenoside triphosphate (ATP) is the provider of energy to all cells  in your body. Many other biomolecules are used as a store of energy  like fats, and carbohydrates like g â¦ lycogen, but ultimately all  energy is provided to the cell in a usable form by the ATP  molecule.