Answer:
Boyle's law (PV = k)
-When the size of an air chamber is increased, the air pressure decreases.
-Pressing on an inflated balloon decreases its size.
Charles's law (V/T = k)
-A closed, flexible container expands when its heated.
-A balloon shrinks when it's taken outside in the winter.
Avogadro's law (V/n = k)
-A balloon expands when air is blown into it.