Read the passage and choose the correct answer

Here are the correct answers for the blanks in the passage based on contextual clues:

31. **A. noise**
32. **B. action**
33. **A. form**
34. **A. consisting**
35. **B. evidentiary**
36. **C. mitigate**
37. **D. residential**
38. **B. containing**
39. **C. produced**
40. **D. frequencies**

If you need further clarifications or explanations, feel free to ask!