alleryStart learning →A depression suddenly forms in the ground when the surface layer collapses. What is it?
AAvalanche
BSinkhole
CTornado
DGlacier
Answer & Solution
Correct answer: B. Sinkhole
A sinkhole is a hole in the ground caused by collapse of the surface layer.
Keep practising Pollution and Calamities
Browse all Pollution and Calamities questions for Olympiad (Class 5), or explore more Science topics.
Related questions
A hazard becomes a disaster when it strikes what?Which choice makes natural disasters worse?Which volcano rating level marks a supervolcano?A country builds desalination plants after years of very little rain. Which disaster led tLightning can harm people and places in which way?A flood is a major event only if water covers what?A river rises and covers village fields and roads. What is this event?What is a flood?