The most effective topic sentence for the paragraph is:
Without the after-effects of Earthquakes, they are not dangerous at all.
A topic sentence is defined as a sentence that suggests the central idea (or topic) of a passage.
Sometimes, topic sentences can occur at the beginning of a paragraph. An example is:
"There are several reasons why the United States is one of the most powerful nations in the world."
Learn more about topic sentence at:
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