The nonliving components of a cornfield ecosystem include: a) the sunlight and water b) the cornstalks and microorganisms in the soil c) the microorganisms in the soil and sunlight d) the water and cornstalks

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