تفاصيل الكتاب
تنسيق
غلاف صلب
لغة
الإنجليزية
منشور
Apr 1, 2014
الناشر
PowerKids Press
رقم ISBN-10
1448898595
رقم ISBN-13
9781448898596
الوصف
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.
الأنواع
علم وتكنولوجيا