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Across 1. Earth, the ground. 2. Plants such as corn or rice that we grow on farms. 6. Fish farming. 8. Chemicals that are used to kill insects. 9. A popular seaweed that is produced in Hokkaido. 10. A disease that is carried by mosquitos. 11. Catching too many fish. 14. Describing a disease that can be passed from person to person. 17. Describing the habits we have in our everyday lives: for example, smoking, drinking etc. 19. Fish and other animals caught by accident. 21. The leading staple crop in the world. 22. A group of diseases (including a in which older people lose their mental powers. 23. A robber at sea. 24. A popular seafood that causes a lot of environmental damage.

Down 1. A large fish that is now endangered because of overfishing. 3. Describing a disease that spreads worldwide: for example, Spanish flu. 4. Mushrooms or truffles. 5. An attack which damages the brain. 6. Drugs that kill bacteria. 7. A blood pump in your body. 12. Dirty air or water. 13. On the 'red list'. Very few left on the earth. 15. Not natural, made by human beings. 16. Describing a group of plants and animals living together in nature. 18. Against the law. 20. A serious group of diseases. One of these is caused by smoking.