Beano is a product containing an enzyme that breaks down complex carbohydrates in beans and other vegetables, thereby reducing gas production when these foods are eaten. why would humans need to take beano to avoid gas?

To avoid excess intestinal gas, increase fiber intake gradually.  Use Beano, which contains enzymes to break down undigested carbohydrates before they can be fermented by intestinal bacteria. Intestinal blockage, particularly in combination with low fluid intake. Under normal conditions, human cells obtain a small proportion of their energy needs by converting certain amino acids from proteins into glucose.

ability to bond woth oxygen

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects