Unit 7 & 8

3. Introduced or put into effect.
4. The textbook included several __________ diagrams to assist students in understanding the material better.
6. If you accidentally delete a file, you can often _________ the action using the undo feature.
8. Taken or originated from a source.
10. Taken out or removed, often from the earth.
12. Led or carried out an activity.
14. Range of colors or wavelengths of light.
15. The scientist __________ the expression "green technology" to refer to environmentally friendly innovations.
16. Gradual increase or build-up of something.
19. The organization focuses on environmental conservation as a means of __________ for future generations.
20. Marie Curie, one of the most famous _______ in history, made groundbreaking discoveries in radioactivity.
21. Extreme accuracy in measurement or detail.
22. The castle, with its towering stone walls and moats, was a perfect example of ________ architecture.
23. Many _______ are reaching capacity, prompting cities to explore more sustainable waste management practices like recycling and composting.
24. Methods or strategies for addressing problems.

1. Altered or controlled to affect outcomes.
2. Related to evaluating similarities and differences.
5. The process of breaking down over time.
7. Equivalents or corresponding items.
9. The _________ of independence marked a pivotal moment in the nation's history, asserting its right to self-governance.
11. Long-term viability of ecosystems and natural resources.
13. The act of reducing or using up resources.
17. Waste from human or animal digestive systems.
18. She was promoted because her __________ and dedication to her work set her apart from her peers.
22. The city council is discussing ways to improve the ________ recycling program.