Biomass
Biomass
energy and something else!?
you are taking in calories. how many calories your taking in depends on the food.
you are taking in food....
Calories.
chemical energy
chemical energy
Its your body telling you that you need eat, and your body is taking energy away from you.
chemical.
Your body turns it into energy.
fat and carbbohydrates
The answer you're looking for is.... Sun.