About What Percent of Thunderstorms in the United States Become

question 107

Multiple Choice

About what percent of thunderstorms in the United States become severe?

• A) 10%
• B) 20%
• C) 50%
• D) 25%

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Definitions:

Alternating Motion

Movement that repeatedly changes direction or switches between different positions or states.

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A protein produced by the prostate gland, levels of which are measured to screen for and monitor prostate cancer.

Digital Rectal Exam

A physical examination where a healthcare provider inserts a lubricated, gloved finger into the rectum to check for abnormalities.

Ophthalmoscope

A medical instrument used by doctors to examine the interior of the eye, including the retina and optic nerve.