Chinchillas should not be bred until about four months

The prefix ____ means "under."

A) sub- B) super- C) supra- D) eu-

Alcohol pads or alcohol wipes, containing a ____% isopropyl alcohol solution, are used prior to the puncture to disinfect the patient's skin at the site of needle insertion.

A. 50 B. 60 C. 70 D. 85