As of 2012,approximately ________ Countries Are Currently Experiencing Water Shortages

question 9

Multiple Choice

As of 2012,approximately ________ countries are currently experiencing water shortages.

• A)5
• B)10
• C)80
• D)165
• E)200

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Definitions:

pH

A scale that measures the acidity or alkalinity of a solution, where 7 is neutral, values below 7 are acidic, and values above 7 are alkaline.

Mathematical Relationship

A connection between two or more variables or quantities, often expressed using equations or formulas.

pH

A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 (acidic) to 14 (basic).

Buffer Solution

A solution that can resist changes in pH when small quantities of an acid or base are added, maintaining a relatively constant pH.