Answer: Option [D]Horns are made by Glacial erosion. A glacial horn is a land formation created when two or more glaciers erode the sides of a mountain peak. Nunataks, arêtes, and horns are the result of glacial erosion in areas where multiple glaciers flow.
Answer: Option [C]Ox-bow lakes are formed due to intense meandering. Due to continuous erosion and deposition along the sides of the meander, the ends of the meander loop comes closer and closer. In due course of time the meander loop cuts off from the river and forms a cut-off lake, also called an Ox-bow lake.
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Answer: Option [A]The shape of the river valley is generally like V. River valleys are usually characterized by V shape cross-sections and steep slopes. River valleys are predominantly found near sources of rivers because of the availability of steeper banks. However, river valleys can also be formed downstream, they are typically developed by erosion.
Answer: Option [A]Sedimentary rocks are also called Stratified rocks. The sediments accumulate in different layers or strata arranged one above the other. Each layer or stratum has particles of given size. In sedimentary rocks each layer or stratum has particles of a given size. Therefore sedimentary rocks are also called stratified rocks.
Answer: Option [A]‘U’ shaped valley is formed by Glacier. U-shaped valleys form through glacial erosion. Glaciation develops in established v-shaped river valleys where the ice erodes the surrounding rocks to create a “U” shaped valley with a flat bottom and steep sides. Glacier movement is driven by gravity.
