9. Which of the following communities can withstand environmental changes? A. ant colony B. coconut plantation C. Forest D. orchidarium
10. What is the main cause of extinction in plant and animal species? A. burning of trees C. dynamite fishing B. destruction of habitat D. dumping of garbage
11. If Deforestation: floods and Dynamite fishing destruction of coral reefs, how about Eutrophication: A. fish kill B. algal bloom C. oxygen depletion in water D. all of these imod
12. Which of the following are the principal causes of deforestation? Tree planting.muro-anti , illegal logging and forest fires B. Kaingin farming and cutting of mature trees for lumber c. Illegal logging, kaingin farming, forest fires and typhoons D. Conversion of agricultural lands to housing projects and muro-ami​