1. True or false? Oral contraceptive use is associated with ovarian or uterine cancer. 2. True or false? Mainstream smoke contains more tar than sidestream smoke. 3. What compound is responsible for...

1. True or false? Oral contraceptive use is associated with ovarian or uterine cancer.

2. True or false? Mainstream smoke contains more tar than sidestream smoke.

3. What compound is responsible for the bright red skin color of a patient suffering from CO poisoning?