To display webpages in a browser, use ________ markup language

By holding down the Shift key while dragging the rotation handle, an object is rotated in ________ degree increments

A) 10 B) 1 C) 5 D) 15

Which of the following is not a standard for air filter respirators?

a. P100 b. Z87.1-2010 c. R95 d. N95