<u><em>If forests disappeared,Houses would cost alot because they are made from a different material.</em></u>
The answer to the question is (A) ham.
Generally, when choosing to prepared corned dish with pork meat, people tend to use the ham part as the main ingredient. Corned ham is made by cutting the ham and putting salt onto them. Afterwards, these hams are left for several days, covered in a tight container or wrapped in foil and plastic.
C. subprime lending
Its not something you want to do all of the time
Your answer would be, If the Marginal Product of labor increases/rises, The Marginal Cost of Output FALLS.
If the Marginal Product of labor Falls, The Marginal Cost of Output RISES.
Hope that helps!!!