Which of the following impacts your body language and how others may perceive you? A. Eye contact
B. Personal space
C. Posture
D. All of these

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

Which external factor has enabled addition of special effects in advertisements and tracking of responses of customers over websites?

Which of the following are direct employee sources of foodborne disease organisms? a) normal flora b) sick employees c) transient microorganisms d) all of the above