1. Mr Jones gave the people gloves and asked them to protect themselves from germs.
2. Nam said the enviroment was severely affected by pollution.
3. Mai said the burning of fossil fuels led to air pollution.
4. Peter said intensive insecticide and pesticide sprayed in agriculture made the soil contaminated.
5. Nam said it was confusing because there were too many web pages about the environment
6. Scientists said air pollution was one of the causes of the greenhouse effect.
7. Nam said that pollution was one of the problems in his neighbourhood.
8. The editor said more people were aware of the preservation of natural resources
9. The students told their teacher that they were discussing the protection of the natural environment.
10. Nam’s father told himto use the web search engine to find the information that he needed.