How the respiratory system works to adjust blood ph?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Which description provides the best objective summary of the article in the passage?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased