Description : The natural gaps across the mountains which provide routes are called – (1) Peaks (2) Dunes (3) Plateaus (4) Passes
Last Answer : (4) Passes Explanation: A Mountain pass is a route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have been important since before recorded history, and have played a key role in trade, war, and migration.