________ IS A TERM THAT REFERS TO THE EXISTENCE OF DIFFERENT KINDS...

51. - DE THI - DAP AN_thi HK2 tieng anh 10 chuan-2019-2020
Tiếng Anh DE THI - DAP AN_thi HK2 tieng anh 10 chuan-2019-2020

51.________ is a term that refers to the existence of different kinds of animals and plants which

make a balanced environment.

A. Wildlife B. Biodiversity C. Challenge D. Investigation