21.Which among the following statements is correct about Defile? [A] It is an elevated area of land with a flat top and sides that are usually steep cliffs [B] It is a step-like landform [C] It is the lowest point on a mountain ridge between two peaks [D] It is a narrow pass or gorge between mountains or hills Show Answer
Answer: [D] A narrow pass or canyon between mountains or hills. A narrow pass or canyon between mountains or hills.
