Answer:
The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
Explanation:
I would say,
Aa.
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The fermentation of ethyl alcohol is a biological process which involves the breakdown of sugars such as glucose, fructose and sucrose into the cellular energy. The cellular energy produced in the form of ATP. This fermentation reaction produces the byproduct’s mainly as ethyl alcohol and carbon dioxide. Hence the correct answer is carbon dioxide and ethyl alcohol.
The answer is B) These fuels are available in a limited supply- - when the fuel is used it is no longer available.
The similarities between bones of humans and other animals shows that every living creature on earth has a common ancestor, even if that common ancestor is as simple as a sing-celled organism.
