B. "Atolls are usually circular or oval, with a central lagoon."
This sentence is a valid generalization because it makes a statement about atolls as a category, describing overall characteristics that generally apply to them.
Which sentence is an example of a valid generalization? A. They are separated from their adjacent land mass by a lagoon of open, often deep water. B. Atolls are usually circular or oval, with a central lagoon. C. Fringing reefs, which are the most common, project seaward directly from the shore, forming borders along the shoreline and surrounding islands. D. Coral reefs begin to form when free-swimming coral larvae (planulae) attach to the submerged edges of islands or continents.
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