What has ISIS's leader, Abu Bakr al-Baghdadi, done only once ever?
Hit the button on a car bombing
Show his face on TV
Planned a terror attack
Travel to America

Which of the following is not a way in which trees benefit the environment? a. they remove a significant amount of carbon dioxide from the atmosphere. b. they remove a significant amount of oxygen from the atmosphere. c. their roots hold soil in place, reducing rates of erosion. d. they remove ozone and particulates from the atmosphere. select the best answer from the choices provided a b c d