2. Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians

3. Water pollution________ the death of all forms of life in the water bodies.

4.________ plastic takes so long to break down, it pollutes the land and ocean.

5. Many flights were cancelled ________ the smoke from forest fires.

6. ________the garbage dump smells terrible, no one lives around there.

7. ..................the grain consumption is rising, forests will be cut to provide more room for planting crops.

 8.  Thousands of fish were killed ________ a discharge of poisonous Chemicals from a nearby factory.

9. ________the fog, there were no take-oils from the airport yesterday.

Choose the word whose underlined part is pronounced differently from the others

11. Choose the word whose underlined part is pronounced differently from the others.

Choose the underlined word or phrase, A, B, c or D that needs correcting

What will happen if the Earth stopped moving?

Choose the underlined word or phrase, A, B, c or D that needs correcting

Human can even die if they will drink contaminated water.

If rubbish is non-biodegradable, it________ forever.

We are all slowly (1) ...................... the Earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. In one well - known city, for example, poisonous gases (2) ........................ cars polltute the air so much that traffic policemen have to wear oxygen masks. We have cut down (3)..................... trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa cannot grow enough (4)................ In certain countries in Asia, there is too little rice. Moreover, we do not take enough care of the countryside.

We are all slowly (1) ...................... the Earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. In one well - known city, for example, poisonous gases (2) ........................ cars polltute the air so much that traffic policemen have to wear oxygen masks. We have cut down (3)..................... trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa cannot grow enough (4)................ In certain countries in Asia, there is too little rice. Moreover, we do not take enough care of the countryside.

We are all slowly (1) ...................... the Earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. In one well - known city, for example, poisonous gases (2) ........................ cars polltute the air so much that traffic policemen have to wear oxygen masks. We have cut down (3)..................... trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa cannot grow enough (4)................ In certain countries in Asia, there is too little rice. Moreover, we do not take enough care of the countryside.

We are all slowly (1) ...................... the Earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that it is unhealthy to live in many of the world's cities. In one well - known city, for example, poisonous gases (2) ........................ cars polltute the air so much that traffic policemen have to wear oxygen masks. We have cut down (3)..................... trees that there are now vast areas of wasteland all over the world. As a result, farmers in parts of Africa cannot grow enough (4)................ In certain countries in Asia, there is too little rice. Moreover, we do not take enough care of the countryside.