Answer to Question 1ANS: F
The Maunder Minimum was a period of time when the sunspots were very rare. The time period from
1645 to 1715 was called the Little Ice Age because there were bitter cold winters in North America
and Europe. Information can be found in the section Human Activity is Causing Global Oceanic
Change.
Answer to Question 2ANS: D
Red tides, yellow foams, and green slimes are often found in areas of eutrophication. These blooms are
usually dominated by a single species. Information can be found in the section Marine Pollutants May
Be Natural or Human Generated.