P4r and p4v Unit 7 vocabulary Ecology Acid rain, air pollution, atmosphere, biodiversity, carbon dioxide, cattle, chemical pollution, coal, detergent, ecosystem, electricity, environment, factory, farming, fresh water, forest, fire, garbage, gasoline, ozone, layer, plastic, public transportation, rain forest, recycling bin, recycling center, solar power, toxic chemical, trash web. Ecology activities Biodegradable, contaminated, eco-friendly, endangered, extinct, fragile, interconnected, organic, non-organic, threatened. Animals and animal classification Amphibian, bar, beaver, carnivore,[...]







5. octubre 2011
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