With respect to the erosional landforms, consider the following statements:
1. Attrition and abrasion are aspects of fluvial erosional activity.
2. Vertical erosion leads to valley widening whereas lateral erosion leads to valley deepening.
3. The senile stage of a river consists of features like waterfalls and rapids.
Which of the above statements is/are incorrect?1
1 and 2 only
2
1, 2 and 3
3
2 and 3 only
4
1 and 3 only