EARTHQUAKE
What is Earthquake?
An earthquake is a sudden tremor or movement of the Earth's crust, which originates naturally at or below the surface . It is shaking of the Earth.
Why occur?
ওলট-পালট
ওলট-পালট এক আছিল বুঢ়া-বুঢ়ী নাছিল সিহঁতৰ ল’ৰা-লুৰী, কথাই কথাই এদিন দ…
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