E8 - Unit 7 Pollution - cause and effect structures

There would be much less pollution________ people stopped using cars completely.

• if

• since

• when

• although

Choose the best answer to complete the sentences.

1. The river water is severely polluted, mostly________ the dumping of raw sewage.

• due to

• lead to

• because

• so

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

amphibians.

• come up

• result in

• dump into

• thank to

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

• occurs

• results of

• creates

• leads to

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

• Because

• Due to

• Even if

• Although

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

• so

• because

• because of

• result in

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

• Because of

• As

• As a result of

• Even though

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

• since

• Although

• unless

• Due to

8. Grace didn’t love nature, ________ she wasn’t happy when her group went camping in a jungle.

• but

• and

• because

• so

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

• because

• lead to

• result in

• as a result of