9.1 Crossword
Across
- 2. primary energy producer
- 3. left damaged after chemical innovations
- 6. this was common among large farm land owners
- 7. a leading cause of climate change
- 8. key word in the learning objective
Down
- 1. became widely available to people after the 1900’s
- 3. a way to transport cargo long distance
- 4. technology led people to communicate long distance
- 5. spread among people causing death