Question

The National Climate Assessment completed in 2014 lists declining ice coverage as one of the effects of climate change. The table shows decline in ice coverage in the Great Lakes. Between the period 1963 to 1972 and 2003 to 2013, by how many percentage points did it decline?

Answer 1

16 % points

Explanation:

From the table 1963-1972 is 58 %

2003 - 2013 is 42%

58 - 42 = 16 percentage points