Question

ছাত্রছাত্রীরা বাড়িতে নিজের বিষয়ভিত্তিক খাতায় এগুলাে করে বিদ্যা
কোন অবস্থাতেই তারা বাড়ির বাইরে ,​

Answer 1

Answer:

Sinkholes slowly develop over time in and around areas where limestone or other structurally weak stones lay below the surface. Water gradually dissolves some of this subterranean stone and creates a cavity beneath the surface. The overbearing stress and weight above the void cause the ground strata to then collapse inward and result in a sudden depression which we refer to as a “sinkhole”.

Answer 2

Answer:

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Explanation:

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