The answer is Carbohydrates
Sugar and carbohydrates are broken down into smaller versions called glucose. All cells in the human body depend on glucose. This makes carbohydrates the body's number one energy source. The brain and nervous system run directly off glucose.
The principle of defense-in-depth<span> is that layered security mechanisms increase security of the </span>system<span> as a whole. </span>
The water form clouds after evaporation, clouds will be liquid when clouds are liquid this is the process and the time when water becomes rain and return back to the earth which we called it precipitation.