Reyhan is writing an essay about climate change. His thesis is, "The Earth’s climate is different from 100 years ago, though there are some similarities.” Which organizational pattern is the best choice for his essay?

The thesis focuses on how Earth’s climate today is both different from and similar to its climate 100 years ago. An essay organized by compare and contrast can explain those differences and similarities. Cause and effect would focus on what causes climate change and its results, which is not the thesis’s main focus.

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