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Be a Friend to Trees (Let's-Read-and-Find-Out Science: Stage 2)
Be a Friend to Trees - Let's-Read-and-Find-Out Science: Stage 2 Author:Patricia Lauber, Holly Keller (Illustrator) Why should you be a friend to trees? — Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't ... more »live without them.« less