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Mostrando resultados de 16
  • Coral may help sunburn prevention | Recurso educativo 71672

    Coral may help sunburn prevention

    BBC Organización

    • 1 lo usan
    • 4375 visitas

    This article is about the scientifics' evidence that chemicals present in underwater coral could help protect humans against sunburn. It is available in PDF file and we can listen to the podcast while…

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  • Environmental Health Student Portal | Recurso educativo 40294

    Environmental Health Student Portal

    Tiching explorer Organización

    • 3474 visitas

    This web site explores air and water pollution, chemicals and climate change. It offers experiments and projects, a teachers' section and homework help. We can also find information for careers in…

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  • Unit 14: Nature and society: harmony, crisis and impact | Recurso educativo 567875

    Unit 14: Nature and society: harmony, crisis and impact

    EduBook Organización

    • 2363 visitas

    Acid rain (n): rain that contains harmful chemicals as a result of burning fossil fuels such as coal and oil. aquifer (n): a layer of rock or earth under the ground that contains water. biodiversity…

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  • Video: Hazardous materials | Recurso educativo 38880

    Video: Hazardous materials

    Esl video Organización

    • 1949 visitas

    This 2 minute video describes chemicals which can be dangerous both at home and at work. They are classified according to the kind of risk. We can listen to specific vocabulary about chemistry and to…

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  • Fertilisers | Recurso educativo 482877

    Fertilisers

    EduBook Organización

    • 2000 visitas

    Fertilisers are mixtures of chemical substances, including many biolelements. They are used to enrich the soil and improve plant growth. They usually contain nitrogen, phosphorus, potassium and…

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  • Video: Big Yellow Taxi | Recurso educativo 39141

    Video: Big Yellow Taxi

    Esl video Organización

    • 5 lo usan
    • 5180 visitas

    This song by Joni Mitchell and performed by Counting Crows is about destroying natural paradises by building unnecessary facilities and by using chemicals such as DDT for crops. The message is that we…

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