According to a study by the UN body, how many of the glaciers on the UNESCO World Heritage list are under threat?

According to a study by the UN body, how many of the glaciers on the U

1.	According to a study by the UN body, how many of the glaciers on the UNESCO World Heritage list are under threat?
A.	half of the glaciers
B.	a third of the glaciers
C.	a fourth of the glaciers
D.	all of the glaciers
Answer» C. a fourth of the glaciers