Across
- 3. The older __ of people are usually not very good at using technology.
- 5. What’s that green thing in the fish tank? Oh, it’s the __ that grows from the oxygen and nutrients in the water.
- 6. Coral reefs are huge underwater __ that are home to many kinds of living things.
- 8. There are many different kinds of __ living in the air, water and food, so we have to be careful not to eat, drink or breathe anything harmful.
- 10. Don’t touch the dirty floor! It is a(n) __ of many germs and bacteria!
Down
- 1. An octopus has eight __.
- 2. Scientists __ that by the year 2050 the world will have no more coral reefs.
- 4. __ all around the world has been poor because of COVID-19 travel restrictions.
- 7. Dr. Lau is a(n) __ in languages. He can speak more than 20 languages.
- 9. The treasure hunters found the __ of a man who has been dead for more than 20 years while they were digging for treasure.