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Martin, Engineer
Category: General
Satisfied Customers: 4776
Experience:  i'm 41 and i never stopped studying and experimenting
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Can an expert review these multiple choice and matching questions?

1. i

2. d

3. g

4. e

5. f

6. c

7. h

8. j

9. a

10. b

Multiple choice:

1. d

2. that is a hard one, it depend of who did the study, it's not b or d. It could be a but i am pretty sure c is more popular.

3. c

4. c

5. a

6. b

7. a

8. a

9. d

10. b

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