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ENVST CAT 3A 2This page is blank
3 ENVST CAT 3ATo answer the following questions, use both your understanding of the impact of human activity on theatmosphere and the preservation of biodiversity as well as the information presented in the Data book.Question 1a. Figure 1 in the Data book shows areas where there is significant loss of seagrass communities aroundAustralia. Both human activities and natural causes can lead to a reduction in seagrasses.i. Name one possible natural cause which could lead to loss of seagrass communities.ii.Describe the current loss in seagrass communities in the Perth area and suggest the changes thatare likely to occur in the future to these seagrass communities.iii.Describe two human activities which may contribute to the loss of seagrass communities.1.2.1 + 2 + 2 = 5 marksQuestion 1 – continuedTURN OVER
Page 1: TD1 ENVST CAT 3ASUPERVISOR TO ATTAC
Page 5 and 6: 5 ENVST CAT 3Ac. i. Seagrass meadow
Page 7 and 8: 7 ENVST CAT 3Aiii.Describe how acid
Page 9 and 10: 9 ENVST CAT 3Ac. i. The New South W
Page 11: 11 ENVST CAT 3A5 marksEND OF QUESTI

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