The PH of Rain Water Falling Through an Unpolluted Atmosphere

question 22

Multiple Choice

The pH of rain water falling through an unpolluted atmosphere is closest to

• A)4.7.
• B)5.4.
• C)7.0.
• D)8.7.

---

Definitions:

Laptops

Portable computers that are small and light enough to be used on one's lap, combining all the components and capabilities of a desktop computer.

Desktops

Personal computers designed for regular use at a single location, as opposed to portable laptops.

Mixed Numbers

Numbers consisting of an integer and a proper fraction, representing a value between two whole numbers.

Lowest Terms

A fraction that cannot be reduced by any common divisor.