9.1 Crossword

12345678
Across
  1. 1. primary energy producer
  2. 2. this was common among large farm land owners
  3. 4. became widely available to people after the 1900’s
  4. 6. Fuels a leading cause of climate change
  5. 7. spread among people causing death
  6. 8. Containers a way to transport cargo long distance
Down
  1. 1. technology led people to communicate long distance
  2. 3. key word in the learning objective
  3. 5. left damaged after chemical innovations