Which one of the following is the correct sequence of the following topographical features found from upper to lower course of a river? [NDA 2010-II]

Which one of the following is the correct sequence of the following to

1.	Which one of the following is the correct sequence of the following topographical features found from upper to lower course of a river? [NDA 2010-II]
A.	Ox-bow lake-Rapids-Estuary
B.	Rapids-Estuary-Ox-bow lake
C.	Rapids-Ox-bow lake-Estuary
D.	Estuary-Ox-bow lake-Rapids
Answer» D. Estuary-Ox-bow lake-Rapids