Part of active listening includes maintaining eye contact and using appropriate gestures in a process known as:

Which size of sterilizing filters would be considered capable of removing all microorganisms?

A) 1 micron B) 5 micron C) 0.45 micron D) 0.22 micron

A full-term pregnancy lasts approximately _________days

a. 190 b. 280 c. 370 d. 460