Question 9 of 40 (worth 1 point) which of the following components of cigarettes contains the carcinogenic compounds that cause cancer?
a. phosphates
b. carbon monoxide
c. nicotine
d. tar

5 make a schedule.

2 break up the project into simpler tasks.

3 prioritize tasks.

1 create an action plan.

4 delegate work\

i think this is in order. hope it : )

answer(b) keep oxygenated and deoxygenated blood separate;