8. Using improved stove is another way to increase pollution levels.
VIII. Combine each pair of sentences to make a conditional sentence type 1.
1. There are a lot of trees. The air is cleaner.
2. People use contaminated water for cooking. Their health is badly affected.
3. All the fish and other aquatic animals die. Factories dump poisonous waste into rivers.
4.
We place dust bins in many places. People don't throw rubbish everywhere.
5. The children have birth defects. Their parents are exposed to radiation.
6. We recycle more. We help the Earth.
7. The environment is polluted. Birds leave their habitats and plants die.
IX. Write a conditional sentence type 2 for each situation.
1. The factory doesn't treat its waste well. There is serious water pollution.
2. Trees and grass cannot grow here. The soil is badly polluted.
Thou don't have fresh w
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Sinh Học lớp 12
