1 Cigarettes and other forms of tobacco are addicting. 2  Nicotine is the drug that causes addiction. 3  Pharmacological and behavioral characteristics that determine tobacco addiction are similar to those that determine addiction to drugs such as heroin and cocaine.
A gallon is a unit of measurement that is larger than a quart, pint, and cup. You may want to present to your children with an empty gallon carton of milk or a gallon soup pot. With some assistance they can pour 4 quarts into the gallon container to understand that 4 quarts are equal to 1 gallon.
When measuring many cups of liquid all put together we might want to use quarts. A quart (qt) is the same thing as 4 cups or 2 pints. If we still need more liquid we can switch to using gallons. A gallon (gal) is the same as 16 cups or 8 pints or 4 quarts.