Question

short answers only What are two potential hazards associated with oil use?



What is one reason the air in cities is often polluted?



What factor might be contributing to climate change?



What are issues associated with drilling in deep water and cold ecosystems?



RECOGNIZING SIMILARITIES AND DIFFERENCES:

Read each question and write the answer in the space provided.

What is the difference between cars in developed countries and cars in developing countries?



RECOGNIZING CAUSE AND EFFECT:

Read each question and write the answer in the space provided.

What negative effects do pollutants from vehicles cause in cities?



What problem does the burning of gasoline with sulfur contribute to?



Name two things that have reduced air pollution in many areas.



What does the author suggest will reduce the negative effects of using oil?

Answer 1

1. Oil spills and air pollution/greenhouse‑gas emissions.
2. Vehicle emissions (traffic).
3. Burning fossil fuels (increasing greenhouse gases).
4. High spill risk, technical difficulty, and slow ecological recovery in sensitive cold environments.
5. Cars in developed countries are generally newer/cleaner and more numerous; in developing countries they tend to be older and more polluting.
6. Smog and respiratory health problems.
7. Acid rain.
8. Emission controls (e.g., catalytic converters) and cleaner fuels/stricter regulations.
9. Use less oil and shift to cleaner energy and better technology/regulation.