An environmental scientist might study the effect of soil pollution on plant growth.
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the answer to the test is 1. b 2. d 3. a. 4. c 5. b 6. a 7. c 8. d 9. a 10. a 11. c 12. b 13. d 14. c 15. a 16. a 17. d 18.b 19. d 20. c 21. a 22. c 23. c.     24. a guateque canpesino is a family gathering brought to the countryside to celebrate harvest time. here at the gathering people sing, listen to music, play the gutair, laud, tres, guiro, dance. they also eat roar pork, rice, and beans. 25. yo soy alta means i am tall. the reason why this sentence uses the verb -see is because the characteristics that is being described is how someone is like.