The U.N.Millennium Ecosystem Assessment reports that human activities have degraded ____ percent of the earth's natural services,and mostly since 1950.
A) 20
B) 40
C) 60
D) 80
E) 95

Question

Quizplus · Accepted Answer

The U.N. Millennium Ecosystem Assessment reported that approximately 60% of the earth's ecosystem services have been degraded due to human activities, primarily since the mid-20th century.

The UNMillennium Ecosystem Assessment Reports That Human Activities Have Degraded ____