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Oceans and Rivers (Questions and Answers)
Oceans and Rivers - Questions and Answers Author:Barbara Taylor "Oceans and Rivers" is part of the comprehensive "Questions and Answers" series. It asks questions such as: where is the world's highest waterfall?; why are icebergs made of fresh water?; which lake is the biggest?; what is a "black smoker"?; and where is the deepest part of the ocean?