L1 U5 vocabulary to know

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Across
  1. 1. machines or tools that have a special use
  2. 6. having to do with the present time
  3. 7. slimy organisms (usually green) that grow in water
  4. 9. SYN: poisonous, dangerous, destructive
  5. 10. what something is made from
  6. 12. this is an example of a device
  7. 13. SYN: trash, garbage
  8. 14. to harm or damage
Down
  1. 2. a number of different kinds or types
  2. 3. this is an example of something that is modern
  3. 4. waste or poisonous substances put into the air, water, or land
  4. 5. something sprayed on plants or in homes to kill pests (bugs)
  5. 8. have what is needed to maintain or keep something going
  6. 11. damage, ruin, or harm beyond repair