Answer:
the answers are B- salt was used as a form of currency and D- salt was used to preserve food.
Explanation:
I believe the answer is: positive externality
Positive externality refers to The benefit that enjoyed by a third party when the first and second party are conducting a transaction.
When you receive a vaccines, you prevent yourself from becoming a host that could contaminate other people from getting the virus. In the example above, you and your children are the first and second party. And other children are the third party.
Is this a trick question? Explain more.
For Rip Van Winkle, nature offers Rip a sense of freedom. Early in the story, he desires to leave his nagging wife and all the difficulties of modern, industrialized life behind. By escaping into the woods and living in nature, he feels he will be able to leave freely in solitude and peace. Nature, then, serves as a place where Rip can find harmony and personal satisfaction.
