the answer is that the groups of most energy that gives us is fats, carbohydrates and vitamins
protein and antioxidents
fats, sugars, and dairy
milk and cheese
Grains
lions
protein
Fat has the most concentrated energy, but that doesn't mean it's best for your health. To be healthy, you need a combination of these and other foods.
The energy source for the arctic is the cold weather
the type of grain that has the best energy source for your horse is wheat.
I would say taking pluses and minuses into account, that natural gas is the best source of energy.
Wind energy is the best energy,because you can't run out of wind.
wind
yes
pato
fat
Our sun.
Oil
1. It is a reasonably constant source. 2. It is 'renewable'. 3. The source of the energy is free.