11. ____________is the protection and wise management of the environment. *
A. Conservation
B. Wilderness
C. Contamination
D. Resources
12. There are many orphaned and ____________animals are taken care of. *
A. protected
B. abandoned
C. damaged
D. established
13. Due to an increase in ____________and the use of nearby land for farming, there are toxic levels of chemicals in the water. *
A. pollution
B. population
C. establishment
D. conservation
14. Our environment is being ____________due to the loss of the forest. *
A. located
B. established
C. healthy
D. damaged
15. The sea is polluted, which ____________ sea plants and animals. *
A. includes
B. dangers
C. contains
D. endangers

11.C                 12.C                 13.D               14A               15.D