SCIENCE
Richmond, Benjamin

Why Is the Sea Salty?: And Other Questions About Oceans

(3) K-3 Good Question! series. Basic information about water on earth, particularly in the oceans, is presented in a question-and-answer format. Everything from the water cycle, tides, the ocean zones and life within each layer, and human impact on water quality is covered by questions that also convey information. Illustrations and clear photographs are found on every other page. Reading list, websites. Ind.

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