Answer to Question #348531 in Ecology for Quinn

Question

Which of the following anthropogenic activities directly contribute to freshwater salinisation in Australia’s inland rivers?

 

A.       Water abstraction for industry and the cycling of oceanic salt.

B.       Treated wastewater release and groundwater intrusion.

C.       Water abstraction for agriculture and wastewater release.

D.       Dryland salinity.

E.       Poor land management and the weathering of marine derived geology.

 

 

21.      Which of the following has been a key driver in the evolution of Australia’s unique biodiversity?

 

A.       Australia’s prolonged continental separation from Gondwana and the following geographic isolation to other continents

B.       Australia’s expanses of rich and fertile soils, reaching from coasts to the deserts

C.       Australia’s close geographic proximity to the tropical Indian sub-continent

D.       Australia’s wide, sandy coastal regions that follow the entire perimeter of the country

E.       Australia’s steep altitudinal gradient from Mt Kosciuszko to the coastlines

Answer 1

1 A 2 C