Quinn, Robert Earth Then and now - 56 páginas - Oxford read and discover 6 . A ball of fire, cap.1 Water and air, cap.2 Minerals and rock, cap.3 Tectonic plates, cap.4 Plant life, cap.5 Animal life, cap.6 Temperature, cap.7 People on earth, cap.8 ISBN: 978-0-19-464565-2 Subjects--Topical Terms: English - readingIngles - enseñanza Dewey Class. No.: 818 / E177