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Coral may help sunburn prevention
BBC Organización
- 1 lo usan
- 4482 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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Unit 14: Nature and society: harmony, crisis and impact
EduBook Organización
- 2472 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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Environmental Health Student Portal
Tiching explorer Organización
- 3584 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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Fertilisers
EduBook Organización
- 2117 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: Hazardous materials
Esl video Organización
- 1991 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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Video: Big Yellow Taxi
Esl video Organización
- 5 lo usan
- 5376 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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