SB p.98

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