What evidence indicates that tolerance is to a large extent learned? a. Tolerance is greater in the location where one previously took the drug than elsewhere. b. Tolerance is greater in highly...

What evidence indicates that tolerance is to a large extent learned? a. Tolerance is greater in the location where one previously took the drug than elsewhere. b. Tolerance is greater in highly educated people than in poorly educated people. c. Tolerance is easily forgotten with the passage of time. d. Telling people about the effects of a drug can produce tolerance.