A barter is negotiating the trade of one good to another. this is easier with coins because is has the same worth for everyone, whereas if goods were being negotiated, it would be more difficult because the worth may vary from person to person.
Answer:
4. consequences
Explanation:
<u>This is a part of the four-step program to develop assertiveness and successful assertive script. </u>
<u>Providing rewards and punishments for implementing change is step four. It includes providing rewarding consequences for yourself once you manage to be more assertive, and when you include the other three steps from the program (describing the unwanted behavior, expressing your feelings and specifying the change that is needed for you). </u>
The consequences are for a person who is changing, but also the other person towards whom they are not assertive enough.
These consequences need to be explicit, include the positive rewards that are big enough to maintain the change, but also the punishments that you are willing to carry out and that are fitting the behavior. Don't exaggerate, be unrealistic, offer what you can't deliver or only carry out punishments.
C.) A sound wave cannot travel in a vacuum because there are no molecules to transfer energy.