Photosynthesis

ISBN: 9780778777168

出版年: 2008-10

页数: 32

定价: $ 15.82

内容简介

This title contains a book & CD. Photosynthesis is the basis for all life on Earth! This exciting and sensitive book looks at how plants use a gas that is poisonous to people and animals to create food and oxygen for all creatures with the help of the Sun. The CD's approximate running time is 30 minutes.