1. What are you (read/reading)?
2. I'm reading an article (to/about) aquaponics.
3. It's a way of (growing/grown) plants (without/with) soil.
4. We can also grow plants and (raise/rise) fish in just one system.
5. Is that (possible/possibly)?
6. We'll see. I'm going to try (it/them) at home (for/on) my science project.
7. The waste is (turned/turning) into food for the plants by bacteria.
8. The plants clean the water (consuming/by consuming) the food.
9. This process is (repeated/repeating) again and again.
10. I made holes in the bottom of a pot. Then I put small stones and plants (in/under) it.
11. I made a big hole in the lid of the fish tank and (putting/put) the pot in the hole.
12. I made (other/another) hole in the lid and put a tube through (it/them).
13. I put a water pump in the fish tank. I used the tube (to connect/connecting) the pump to the pot.
14. I filled the fish tank (with/in) water and put some fish in it. Then I turned (on/off) the pump.
15. From this experiment, I grew my plants and (raised/rose) fish with aquaponics.
16. I just (fed/feed) the fish, but the plants (have grown/grew) 17 centimeters in three months.
17. The fish stay (health/healthy) and the water is clean (all the time/all times).
18. Some important things about aquaponics (were learned/learned) from this experiment.
19. First, water is saved (because/because of) the plants don't need watering.
20. Second, it is good (to/for) the environment because no chemicals are (using/used).
21. Finally, you can do aquaponics (somewhere/anywhere) because it doesn't need (much/many) space.
22. Some farmers use aquaponics (to produce/producing) vegetables and raise fish.
23. They choose aquaponics because it is (far/less) easier than (traditional/traditionally) gardening.
24. Also, it is a much more (product/productive) way of growing food.
25. The plants grow much faster than plants in soil, (and/but) it saves space.
26. I hope more food (are/is) produced in this way in the future because it is healthy (of/for) us and the environment.
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