The following passage describes an example of ____________. In the 1980s, manufacturing power plants in the Midwest burned coal
with high sulfur content, which when released as smoke, mixed with moisture in the atmosphere to create an acid that blew into Canada and New England. The acid fell to the earth in the form of rain, killing fish and causing deforestation and building deterioration. A. positive externality B. public good C. negative externality D. regulation
The winter at Valley Forge was difficult because food was minimal and so was clothing. It also didn't help that it was very cold and soldiers frezzing was a big deal.