%_Which of the following features are formed by the river in its upper course?1. Gorge2. Canyon3. Meander_%

%_Which of the following features are formed by the river in its upper

1.	%_Which of the following features are formed by the river in its upper course?1. Gorge2. Canyon3. Meander_%
A.	1 and 2
B.	2 and 3
C.	1 and 3
D.	1, 2 and 3
Answer» B. 2 and 3