Honeybee decline linked to killer virus In 2007, the killer virus arrived in Hawaii, where almost all the queen bees used in the United States are bred. Bees are used in a third of the food we eat. Source: The Guardian, June 8, 2012 How does a decline in the bee population affect the U.S. PPF? Question content area bottom Part 1 As the bee population declines, and other resources and technology do not change, _______. A. the U.S. PPF rotates inward B. U.S. production moves down along the U.S. PPF C. U.S. production moves up along the U.S. PPF D. the U.S. PPF rotates outward E. the U.S. PPF does not shift, but the United States produces at a point inside its PPF