Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs. Perfusion is the process by which the cardiovascular system pumps blood throughout the lungs.
I wanna say either molecular or metallic. I am thinking molecular though
The non-coding sections of DNA are removed prior to translation in a process called introns.
I think this might be the answer but I will keep looking if it is not.
Answer: I think it's the third one: Letter Q points to the guard cell. Letter T points to the stomata and the response is most likely due to the humid tropical nature of the enviorment.
I think the answer would be c