49)According to data from the UN Food and Agriculture Organization, from 2010 to 2015 the amount of land worldwide that's covered by forests

Multiple Choice

• expanded by about 5 percent.
• shrank by about 3 percent.
• stayed roughly constant.
• shrank by about 12 percent.

50)Which fishery product in the U.S. had the greatest market value in terms of its catch in 2016?

Multiple Choice

• blue crab
• Pacific cod
• oysters
• lobster