Quiz - Fast Shrinking Greenland Glacier Now Growing Again
Question 1 / 4
For what major reason have researchers been studying the Jakobshavn glacier?
![](https://gdb.voanews.com/1a5fea40-0c18-45da-83ce-20204b3b696c_w250_r1_s.jpg)
For what major reason have researchers been studying the Jakobshavn glacier?