Coffee and nicotine can be lethal in large doses. a. true b. false

True - Nicotine is lethal at 0.5-0.1 mg/kg (it would be very difficult to overdose on smoking alone. However, if a child were to ingest as little as 6 mg of nicotine they could potentially die. For coffee, it would take about 70 cups of coffee to kill a person weighing about 154 lbs. However, it is the Caffeine in coffee that would kill you not the coffee itself. ( idk if your teacher would be picky about the wording)  For example, decaffeinated coffee would need a much much larger dose to kill a human with caffeine intake.

True is the answer to this question

The answer should be b.

The outer ear canal and it protects you from getting bad infections. hope this xx