The Largest Hole in the Ozone Layer Occurs in the Stratospheric

question 36

Multiple Choice

The largest hole in the ozone layer occurs in the stratospheric layer over

• A) the Amazon rainforests.
• B) the eastern coast of the United States.
• C) the western coast of the United States.
• D) Africa and South America.
• E) Antarctica.

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Definitions:

Mastoid

A prominent bony structure located behind the human ear, part of the temporal bone, containing air spaces that communicate with the middle ear.

Sternum

The long flat bone in the upper middle of the front of the chest to which the ribs are attached.

Costae

The plural form of costa, referring to ribs, which are long curved bones forming the rib cage.

Xiphoid Process

A small cartilaginous projection at the lower end of the sternum, which becomes bony in older adults.