Approved safety glasses can be identified by the Select one: a. Color of the lens b. Z87.1 or Z87+ stamped on the glasses c. Thickness of the lens d. Z87.1 or Z87+ stamped on the box

The correct answer is b. Z87.1 or Z87+ stamped on the glasses.<br /><br />Approved safety glasses can be identified by the Z87.1 or Z87+ standard stamped on the glasses. This standard is set by the American National Standards Institute (ANSI) and indicates that the glasses meet the requirements for impact resistance and optical clarity. The color of the lens or the thickness of the lens does not necessarily indicate that the glasses are approved safety glasses. Additionally, the Z87.1 or Z87+ standard should be stamped directly on the glasses, not on the box.