Which properties are characteristics of nonmetals? Check all that apply.

malleable
brittle
solid at room temperature
low density
electrical insulator
thermal conductor

What does the body do during the resistance phase of the gas model? options: a) it prepares to fight danger or run from it. b) it identifies the primary source of danger. c) it begins to return responses to normal. d) it repairs itself from fatigue and stress.

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Which respiratory measurement as useful in differentiating between obstructive and restrictive pulmonary dysfunction