Page 63 - Benchmark-4.1
P. 63

Reading Comprehension









        A     Choose the correct answers.





              3. How fast does sound travel in water?






                          a       1,480 m/s





                          b       343 m/s





                          c       0 m/s





















                                                                                                                                                Unit 2 | Listening to Sound
   58   59   60   61   62   63   64   65   66   67   68