C. Most psychologists believe that prosocial behavior always contains an element of self sacrifice.
The correct answer is A.
Cigarettes stored in transparent units ensure that the product (cigarettes) will be visible to the consumers. This visual exposure while encouraging the consumer to buy the cigarettes, still complies with the rules imposed by the authorities.
After you finish a hard workout, your top priority should be to:
a. replace the fluids lost by sweating.