GW Complete the sentences with "cause" and "reason" or 1. Carelessness is often the ... of fires. 2. The ... of the accident is still not known. 3. What is the ... of lightning? 4. Your attitude will ... how successful you are. 5. The ... of earthquakes is the heat inside the earth. 6. Deforestation contributes to the ... of both air and water pollution. 7. What was the ... for your refusal to go there? 8. Scientists attribute changes in the weather to natural 9. There is no fear the whole ... is wonderfully impressive. 0. How can it ... your students?