With reference desert landscape consider the following statements 1 Erg deserts are formed due to ae...........

Geography and Environment (CSC) World Physical Aspects

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With reference desert landscape, consider the following statements:

1. Erg deserts are formed due to aeolian deposits.

2. Badlands are formed due to erosion of hills by rain-storms.

3. Mountain deserts are a result of erosion of hilly landscape.

Select the correct answer using the code given below:

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

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Explanation:

Statement 1 is correct. Erg or stony desert is a sea of sand. Winds deposits vast stretches of undulating sand-dunes in the heart of the desert forming these landscapes. An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover.
Statement 2 is correct. Badlands are the Hills which are badly eroded by occasional rain-storms into gullies and ravines. The extent of water action on the hill is so strong that the entire region becomes inhabitable.
Statement 3 is correct. Mountain Deserts are found on Highlands such as plateaux and mountain ranges. Erosion dissects the desert highlands into harsh, serrated outlines of chaotic peaks and craggy ranges.