When carbohydrates are metabolized in the presence of oxygen they provide the best source of fuel for the body. A.
True
B.
False

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.

because of

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.