The sequence of nitrogenous bases. Think of adenine guanine cytosine and thymine, and how they are ordered
The answer is 23.
A human being receives 23 chromosomes from each parent. So each human has 46 chromosomes. Chromosomes X and Y determines your sex.
The principle fuel used as a petrol substitute for road transport vehicles is bioethanol. Bioethanol fuel is mainly produced by the sugar fermentation process, although it can also be manufactured by the chemical process of reacting ethylene with steam.
Basically, a plant can be considered as bioethanol becacuse it is a sugar fuel for animals. Animals consume plants for fuel to survive.