Consider the following geomorphological statements and identify the incorrect one ........

Geography Geomorphology

Consider the following geomorphological statements and identify the incorrect one

The mountain Building process on earth is known as Orogeny.

The Oceanic Crust is older than the Continental crust due to 'Sea-Floor Spreading'

A gorge is a deep valley with very steep to straight sides while a canyon is characterized by steep step like side slopes.

'Solution' is the most dominant form of erosion in Karst topography.

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Explanation:

Due to sea floor spreading the Oceanic crust is getting constantly consumed and new crust is forming. This ensures that Oceanic crust is way younger than Continental crust. (Oceanic crust is nowhere older than 200 million years while continental crust at places is as old as 3700 million years).