Across
- 3. not easy to understand or explain; not simple
- 4. to have changed something completely and usually in a good way
- 5. an idea or set of ideas that is intended to explain facts or events
- 6. to move from one country or place to live or work in another
Down
- 1. to have spent the winter sleeping or resting
- 2. to make or do something the same way as something else