There are many fuels that produce energy. Some are:
- Coal
- Nuclear Energy
- BioFuel
- Oil / Gas
Hope this helps!
Answer:
Bipolar Disorder.
Explanation:
This is a mental disorder formally known as maniac depression which comes with different forms of dramatic mood swings which ranges from low to high. According to research, it is said to be caused by hormonal disorder or imbalance in a human body. This could give the said person(s) suicidal thoughts too in the cause of these steady depressions. Treatment of bipolar disorder cannot be pointed out exactly ad it last for weeks and months.
Chemical digestion of carbohydrates, proteins, lipids, and nucleic acids. The chemical breakdown of the macromolecules that is contained in food is completed by tons and tons of enzymes that are created in the digestive system!