Hard water is
A. hard to extract from aquifers because of all the dissolved minerals.
B. hard to drink because it tastes bad.
C. water containing high levels of dissolved calcium and magnesium.
D. All of the choices are correct.
Answer: C
You might also like to view...
Cinder cones and shield volcanoes have similar chemical compositions but they differ in __________.
Fill in the blank(s) with correct word
Which of the following is an unsaturated fatty acid?
A) arachidonic acid B) palmitic acid C) stearic acid D) none of these
Approximately ________ of the world's population lives north of the equator (in the Northern hemisphere)
A) 10% B) 25% C) 50% D) 75% E) 90%
As a wave approaches the shoreline and enters shallower water, energy and water move forward causing the water to rise and cascade down from the wave crest as a breaker. These waves are called
A) waves of translation. B) swells. C) waves of transition. D) tidal waves.