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It is formed when lateral and vertical erosion occurs at the same time.           

a) gorge/canyon          

b) v-shaped valley
c) waterfall                 

d) all of these

b

……………..is the world most famous waterfall located in USA and Canada.
a) Niagara fall                       

b) Alpha fall   
c) Sutherland fall        
d)Angel falls

a

Look at the diagram below. Does the diagram accurately explain the formation of natural levees?
a) Yes                        
b) No


What are the extensive, flat areas of land found in the middle and lower courses of a river?
a)
Estuaries                 

b) Levees
c) floodplains             
d) none of these


c

What do meanders add to a river?
a) width                      
b) silt
c) length                     
d) none of these

c

What is meant by meander?
a) a grassy area                       
b) a barren area
c) a bend of a river    
d) a bend of canal

c

A crescent- Shaped lake formed along the banks of Meanders Rivers is called………
a) oxbow lake             

b) meander lake
c) alluvial fans                        

d) all of these

a