C membrane with the help of a channel protein
<span>The answer is A because it is true that these three stages consist the aerobic respiration.</span>
Answer:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
The process in a woman of discharging blood and other materials from the lining of the uterus at intervals of about one lunar month from puberty until menopause, except during pregnancy.
I think it is C) transfers genetic materials