1. Renewable resources are those that:
2. Which of the following is a renewable energy source?
3. Fossil fuels (coal, oil, natural gas) are:
4. Deforestation contributes to:
5. Overfishing threatens:
6. Water pollution from factories releasing directly into rivers is an example of:
7. Wind power is classified as:
8. The greenhouse effect is a:
9. Recycling helps the environment by:
10. Freshwater makes up approximately what percentage of all Earth's water?