The graph shows how sea ice extent in the Arctic region has changed since 1975. Classify the questions based on whether they can or cannot be

answered using

the graph.

Square miles of seake

3.5

Extent of Arctic Sea Ice

www

2.5 mill

2

1.5 mill

1 mill

500,000

1975 1980 1985 1990 1995 2000 2005 2010 2015

What is the overall

change in sea ice

extent since 1980?

In which year was sea

ice extent the highest?

How has the change in

sea ice extent affected

precipitation?

How has sea ice extent

fluctuated every five

years since 1980?

Can Be Answered Using

the Chart

Which regions have

been most affected by

reduced sea ice extent?

What is the estimated

sea ice extent in 2020?

Cannot Be Answered Using

the Chart