List four cancer-causing substances found in tobacco products.

Tabacco smoke contains more than 5000 chemicals some of which are carcinogenic (cancer-causing) for humans including nitrosamines, formaldehyde, nickel (compounds), benzo-a-pyrene, arsenic, cadmium, polonium, vinyl chloride, ethylene oxide, 1,3-butadiene, beryllium, chromium VI and benzene. So the answer to the question will be any four of these substances. Nicotine, one of the more known substances in tabacco, is not known to be a carcinogen (cancer causing substance), it is however very addictive.

The average resting heart rate (hrrest) for a 34 year old is 73 beats per minute2. 34 year old males average heart rates of 71 bpm while females average slightly higher at 76 bpm2. the normal resting heart rate range for all adults and children 10 and over is between 60 and 100 beats per minute3. 90% of 34 year olds resting pulses fall within the range of 54 to 92 bpm. in general, an adult's resting heart rate will be lower for those in better athletic condition.

Good samaritan law protects civilians when they render aid to someone in need.