16-20. Ipaliwanag kung ano ang trade-off at opportunity cost at bakit nagkakaroon nito?

Which of the following is not permitted in a roundabout? a. using your turn signal b. following the rules of right-of-way c. driving at the speed limit d. changing lanes

Indicates a bal of .05 or higher. a. loss of judgment b. altered mood c. weakened vision d. having trouble steering

When your organs don't receive enough blood, they begin to a. shut down b. speed up c. inflame d. dry out