31. scientists are only interested in climate changes that began in the 21st century.\ntrue\nfalse\n32…

31. scientists are only interested in climate changes that began in the 21st century.\ntrue\nfalse\n32. about ____ percent of the u.s. food supply contains genetically modified foods.\n10\n25\n44\n66\n85

31. scientists are only interested in climate changes that began in the 21st century.\ntrue\nfalse\n32. about ____ percent of the u.s. food supply contains genetically modified foods.\n10\n25\n44\n66\n85

Answer

Brief Explanations:

  1. Scientists study climate - change over long - term periods, not just starting from the 21st century.
  2. A significant portion of the U.S. food supply is genetically modified, and about 85 percent contains such foods.

Answer:

  1. False
  2. 85