So sorry for the incorrect answers. I have gone over these and submit the following as corrections:
2. C. explain.
13. A. improve morality.
14. C. forecast
15. C. it was lucrative
16. D. either males or females.
18. D. statement.
19. refer to the text on this one
Again, sorry for the inconvenience.
You're very welcome. Check your text and let me know if you have any further questions before resubmitting your exam.