What does it mean when the contour lines bend into a V shape -a depression
-a river/stream
-the slope is steep
-a valley

The deserts of the sahara and australia are associated with

Can someone i have no idea of how to do this.

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present