Descending on a fixed rope from a severe angle is called:

What percent of the adult population is believed to have obstructive sleep apnea?

a. Less than 1% b. 2% to 4% c. 5% to 10% d. Unknown

A ____________________ is a legal document, signed by a judge or attorney, that requires an individual to appear in court as a witness.

Fill in the blank(s) with the appropriate word(s).