Answer: D. Both corn and green beans require a trade-off
Explanation:
Trade off simply means that for one to gain or have an increase with regards to a particular thing, thus will lead to the decrease or reduction in something else.
We should also note that the production possibility curve shows how two goods which are green beans and corn in this case can be efficiently used while making use of the resources that are made available for that particular economy.
In this case, we can see that as the pounds of green bean increase, the pound of corn reduces. This shows that both corn and green beans require a trade-off
