What is mistletoe and why does it grow randomly of trees?

Ineed to know why d is the correct answer asap

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

The carrier molecules of the electron transport system are located in the