By gift, purchase, or condemnation any city may acquire land within the county where the city is located for garbage disposal sites and rights of way for roadways to the site. “Garbage” includes:
(a) Animal, fruit, and vegetable refuse.
(b) Offal.
(c) Leaves and cuttings, trimmings from trees, shrubs, and grass.
(d) Inorganic refuse and rubbish.
(e) Anything thrown away as worthless.