In mountainous areas a natural cause for road blocks is often :

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Q: (SSC/0)
In mountainous areas a natural cause for road blocks is often :

question_subject: 

Geography

question_exam: 

SSC

stats: 

0,12,3,1,12,1,1

keywords: 

{'road blocks': [1, 0, 0, 0], 'mountainous areas': [1, 0, 0, 0], 'road repairs': [1, 0, 0, 0], 'traffic congestion': [1, 0, 0, 1], 'natural cause': [1, 0, 0, 0], 'tree felling': [1, 0, 0, 0], 'land slides': [1, 0, 0, 0], 'construction': [2, 2, 4, 14]}

In mountainous areas, a common cause of road blocks is often landslides. Landslides occur when large amounts of earth, rock, or debris slide down a slope and obstruct the road. This can be triggered by heavy rainfall, earthquakes, or other natural factors. Landslides are particularly common in mountainous regions due to the steep slopes and loose, unstable soil.

Option 1, road repairs and construction, may cause temporary road blocks, but it is not a natural cause. Option 3, tree felling, may cause road blocks if trees fall onto the road, but it is not as common as landslides in mountainous areas. Option 4, traffic congestion, is a result of road blocks, not a cause.

Overall, landslides are the most natural cause of road blocks in mountainous areas, making option 2 the correct answer.