Across
- 3. Oceans are .... to 50-80 percent of all species on Earth, from whales to plankton.
- 6. We've been getting oil and gas ... the ocean floor.
- 8. We can use the power of .... and tides to produce electricity.
- 10. 71% of our planet is covered in .... and that's why we call Earth the "Blue Planet".
- 11. The .... Ocean is the biggest of five oceans on Earth.
Down
- 1. ..... 8 is UN World Oceans Day.
- 2. Billions and billions of pieces of plastic are ....ing around in our oceans and from Garbage Patch.
- 4. Because of global warming, the ice is ....ing.
- 5. .... pollution is harming and killing sea creatures.
- 7. The .... Ocean is the smallest and frozen for much of the year.
- 9. 99% of internet ... between countries goes via submarine cables.
- 12. Oceans .... carbon dioxide and give out oxygen.