Dear Hadia,
Its not an essay; even it does not fulfill even a single technical criteria of essay.
These are facts and figures about disaster and disaster management.
Before writing an essay you must:
learn basic techniques of unity, coherence, organization, and development.
must have an idea about thesis statement, introduction and conclusion.
and you should also know about topic sentence and concluding sentence.

For further detail read different posts regarding essay written by seniours.

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Guide us on the straight path;
the path of those whom You have blessed.