Which object allows you to place a Web Browser or simply display some online content within your Activity?

Where should your feet be in the perfect ergonomic setup?

A) Crossed and propped on an elevated surface B) Propped on an elevated surface, not crossed C) Crossed and on the floor D) Flat on the floor

A red triangle in the upper right corner of a cell indicates that there is a(n):

A) option. B) comment. C) value. D) error.