Carbs, Protein, Fat
bread
The number one source of energy for the human body is carbohydrates, which are broken down into glucose to provide fuel for our cells. Other sources of energy include fats and proteins.
Yes. People eat food all the time. food is one of the sources your body needs to get energy to do stuff.
Mitochondria
There isn't a single "best" energy resource as the best choice depends on various factors such as location, availability, cost, and environmental impact. It's important to have a mix of energy resources to meet diverse needs and to transition towards cleaner, more sustainable options like renewable energy sources.
yes
uh...there is the fossil fuels- coal oil and natrualgas, but I don't know the last one...edit:Uranium!!!
one natural resource is the sun
In nutrition, yes
One can find more information on energy efficient lighting from the following sources: Earth Easy, Energy Star, Carbon Trust, Living Greener, NSW Environment and Heritage, Energy Saving Trust, to name a few.
outlets thats one!