Fat: 1 gram = 9 calories Protein: 1 gram = 4 calories Carbohydrates: 1 gram = 4 calories Alcohol: 1 gram = 7 calories as far as energy density, fats have more calories. fat and protein are very slowly digested so not a good source of quick energy. foods like grains and pasta are good for quick energy.
I assume you mean the food. Most of the food we eat has food energy, which is a type of chemical energy.
Energy is most food does indeed come from sunlight. Producers are the most abundant food source and producers make their food from sunlight during photosynthesis.
Most energy people use comes from food.
From Food
We get most of our "quick" energy from carbohydrates but also energy from proteins and fats.
their chloroplast take sunlight, and make it into energy, then make energy into food.... so they store there food as either: a. energy b. food
All of your energy come from the food you eat.
FAT
The sun.
Most unicellular algae use the energy of sunlight to produce food.
Fats have the most calories.
producer