A ________ is a system where payment is made in advance of services being provided

At 3 to 5 L/min output, a typical molecular sieve O2 concentrator provides O2 concentrations at what level?

a. 65% to 78% b. 78% to 85% c. 85% to 93% d. Greater than 93%

In some agencies, the first line of each paragraph is indented five spaces in a modified-block style letter

Indicate whether the statement is true or false