The "Rule" That Says Humans Should Drink 8 Cups of Plain

question 10

Multiple Choice

The "rule" that says humans should drink 8 cups of plain water per day is​ 

• A)a good one, because that is about the right amount of fluids everybody needs. 
• B)not so good, because we need about twice that much fluid for good health and skin. 
• C)unnecessary, because we take in all the fluids we need from our foods. 
• D)unnecessary, because we take in about half the fluid we need from our foods.

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Definitions:

Sierra Club

An environmental organization established in the United States, dedicated to the protection and preservation of the natural environment through advocacy and conservation efforts.

Hetch Hetchy

A valley in Yosemite National Park, controversially dammed in the early 20th century to provide water to San Francisco.

John Muir

An influential Scottish-American naturalist, author, and early advocate for the preservation of wilderness in the United States.

Sierra Club

An environmental organization in the United States dedicated to the conservation of natural environments and the promotion of sustainable energy sources.