FUTHER PRACTICE
1. Give the correct form of the words in the brackets in each of the following sentences
1. ________ elements have been found in both ground and underground water sources. (pollute)
2. The soil becomes ________ because of the use of so many pesticides and fertilizers. (contaminate)
3. People believe that the ________ water has brought cancer to the local residents. (pollute)
4. A number of cleaning products contain ________ chemicals. (harm)
5. Astronomers are concerned about light because they have ________ in viewing activities in the sky and out space. (difficult)
6. ________ waste spills can contaminate groundwater. (industry)
7. Noise is considers as ________ pollution. (environment)
8. Water samples collected at these villages were seriously ________ with bacterial. (contaminate)
9. ________ habitats have been destroyed in recent years. (nature)
10. Light pollution makes us ________ to see the stars in the sky. (able)
11. The natural__________ beauty of Thodupuzha has attracted many Malayalam movie makers. (scenery)
12. Flags__________ nations, not languages. (symbol)
13. Ayers Rock is also one of the top tourist__________ in Australia. (attract)
14. The Eiffel Tower is the most__________ Parisian landmark. (icon)
15. English is recognized as an__________ language in a total of 67 different countries. (office)
2. Complete the sentences with the verbs in brackets. Use conditional sentences type 1.
1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.
2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.
3. Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.
4. If we all use public transport more, we________ (help) reduce air pollution.
5. If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.
6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.
7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.
8. If global warming________ (continue), temperatures________ (rise) even higher.
9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.
10. We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.
