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The top documents tagged [plants ecosystems]
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plants ecosystems
Global Warming, Acid Rain, and Ozone Depletion
2.209 views
Environmental challenges 1
196 views
Introduction to plants. All life on earth depends on plants. Without plants ecosystems would soon grind to a halt. Animals (and fungi) are parasitic on.
219 views
Plants & People How we all connect together …. People & Plants How do humans use plants? Food Fibre (building materials) Medicines Plants are.
213 views