All of the Following Are Reasons Why Freshwater Resources Are

Multiple Choice

All of the following are reasons why freshwater resources are so scarce except for the following:

A) Most of the planet's water is too salty to be used efficiently.
B) The majority of our freshwater resources is frozen and located far from human habitation.
C) Global warming has dried up most of our global freshwater resources.
D) Many of our freshwater resources are too polluted to be used safely by humans.