a mineral, as geologists understand the term, is a naturally occurring solid substance with a definable chemical composition and

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.

Amajor rite of passage for the maori men of was to receive ta moko, or facial tattoos. a. australia b. new zealand c. papua new guinea d. southeast asia