376923
9780064451208
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 live without them.Lauber, Patricia is the author of 'Be a Friend to Trees' with ISBN 9780064451208 and ISBN 0064451208.
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