Across
- 3. What are the 3 R’s of recycling?
- 4. Which Sea is 8.6 times more salty than the ocean?
- 6. What is the name of the world’s largest reef system?
- 8. Which tree's trunk can hold water upto 32000 gallons
Down
- 1. When is earth day celebrated?
- 2. What is the horn of a rhinoceros madeup of?
- 5. Ayers Rock in Australia is also know as what?
- 6. What famous islands west of Ecuador were extensively studied by Charles Darwin?
- 7. What state of the USA is the Grand Canyon located in?