12 Social -- सामाजिक अध्ययन तथा जीवनोपयोगी शिक्षाको अन्तरसम्बन्ध

which party of north america are affected by the natural calamities such as volcano earthquake flood and hurricane

The states that are most prone to natural calamities are Jamaica,Texas, Washington, Florida, Haiti, Mexico, Alabama, Colorado, etc.

समसया = problem

निरमाण = building/construction.

Problem-building? I am unsure what are you asking for.

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