978-1-4222-3389-4
10 North American Natural Resources: Timber and Forest Products
Deciduous trees in autumn. Leaves are green because of a chemical called chlorophyll. As the leaves lose their chlorophyll, they change color.
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10 North American Natural Resources: Timber and Forest Products
Deciduous trees in autumn. Leaves are green because of a chemical called chlorophyll. As the leaves lose their chlorophyll, they change color.
Made with FlippingBook