When there is no objective standard, we often turn to and observe others in an effort to evaluate our actions through a process known as social exchange

The vast majority of heroin-related deaths (about 70% or more) occur as a result of heroin alone

Indicate whether the statement is true or false

Unlike short-term memory, long-term memory

a. requires awareness. b. is relatively durable. c. quickly fades without rehearsal. d. receives information from a previous form of memory. e. does not involve physical changes in the brain.