The text primarily uses a "compare and contrast" organizational structure. It highlights the differences and similarities between the Arctic and Antarctic regions, discussing their geographical features, ice characteristics, and the types of animals that inhabit each area.
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The Arctic and the Antarctic are both wild and icy expanses at the Earth's poles. But in many respects, they're polar opposites! The Arctic region, surrounding the North Pole, is primarily sea. The northern reaches of North America, Asia, and Europe enclose the icy Arctic Sea. The floating Arctic ice generally grows to a thickness of six to nine feet. At the other pole, Antarctica is a high, dry continent, covered with snowy ice and surrounded by ocean. Ice forms on the edges of Antarctica, then drifts away to sea. Antarctica's sea ice usually measures about three to six feet thick. The regions' animals are different as well. Polar bears, for example, live in the Arctic, while penguins live in and around Antarctica.
Which organizational structure does this text primarily use?
Compare and contrast
cause effect
1 answer
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