The term head ward erosion means
A Constant removal of rock waste from hillside
B Constant addition of rock waste from hillside
C Constant addition of rock waste from hillside and extension of valley towards head
D Constant removal of rock waste from hillside and extension of valley towards mouth
The correct Answer Is D
D Constant removal of rock waste from hillside and extension of valley towards mouth
A Constant removal of rock waste from hillside
B Constant addition of rock waste from hillside
C Constant addition of rock waste from hillside and extension of valley towards head
D Constant removal of rock waste from hillside and extension of valley towards mouth
The correct Answer Is D
D Constant removal of rock waste from hillside and extension of valley towards mouth