... resources, and the reduction of and wasteful consumption. (contaminate) contamination11. Almost half of turtles and tortoises are known to be threatened with ____. (extinct) extinction 12. Current ... diversity, sustainable use of natural resources, and the reduction of and wasteful consumption. (contaminate) 5. Almost half of turtles and tortoises are known to be threatened with ____. (extinct) 6. ... species2.Extinct (a)3.Extinction (n) 4.To threaten5.To identify6.To destroy → Destruction (n) 7.Commercial (a)8.To exploit → Exploitation (n) [iks'plɔit]9.To pollute → pollution (n) 10.Drainage...