책 세부 정보
형식
하드커버
언어
영어
출판됨
Apr 1, 2014
출판사
PowerKids Press
ISBN-10
1448898595
ISBN-13
9781448898596
설명
After absorbing the 20 questions and answers presented in this book about the Earth s oceans, you will know why the ocean is blue. Core concepts such as why there are currents and tides and how pollution and climate change affect Earth s oceans are laid out in accessible, engaging text and make this volume a valuable resource for elementary science reports.
장르들
과학 & 기술