The Fifth Assessment Report of the Intergovernmental Panel on Climate change reported with high confidence that a few recent species extinctions are ________.
A) accidental
B) evolutional
C) pivotal
D) anthropogenic
E) about to be reversed
Question 2
The establishment of ________ in various countries can be described as an UNESCO attempt to protect biosphere diversity.
A) biosphere reserves
B) sustainable forest towns
C) dams to regulate river flow
D) biomes
E) boreal species