trong am

A. necessity

B. environment

C. alternative

D. literature

• necessity

• environment

• alternative

• literature

. A. society

B. individual

C. sustainable

D. technology

• society

• individual

• sustainable

• technology

3. A. necessary

B. interesting

C. honorable

D. renewable

• D. renewable

• C. honorable

• B. interesting

• A. necessary

A. origin

B. attentive

C. successful

D. removal

• A. origin

• B. attentive

• C. successful

• D. removal

5. A. volume

B. error

C. private

D. create

• volume

• error

• private

• create

A. analysis                           B. facility                     C. fertilizer                 D. disposal

• analysis         

• facility   

• fertilizer

• disposal

A. diversity                       B. paradise                 C. disposal                 D. professor

• disposal    

• diversity        

• paradise

• professor

nature                         B. rate                        C. disaster                D. change

• nature  

• rate  

• disaster   

• change

A. growth                           B. energy                      C. aging                        D. general

• growth            

• energy    

• aging     

• general

A. renewable               B. dweller                    C. negative                   D. pesimistic

• renewable     

• dweller

• negative    

• pesimistic