1) Paper is one of the most frequent waste materials, but it can be recycled.
2) Nuclear waste can contaminate the groundwater.
3) Pesticides are usually poisonous substances. But organic fertilisers, e.g. manure, are harmless.
4) Coniferous forests in the Northern Bohemia were polluted by acid rains.
5) Chemical factories discharge large amounts of waste water into rivers.
6) Paper, glass, plastics, and metals are recyclable materials.
7) Acid rain is caused by discharging gases.
8) CO2 is a pollutant which probably contributes to global warming.
9) Changes in the climate are due to pollution of the atmosphere.
Правильные ответы
Объяснение:
1. Open the brackets using the correct tense-form
If you want, I will tell you the truth.
You May go if you are ready.
2. Correct the following sentences
1. I get up early.
2. What are you doing? - I am doing my project.
3. If you see him, give him this letter, please.
4. I didn't see him last Wednesday
5. I have been working here for 5 years.