Yes that is correct. All waves have wavelength, frequency, REST POINT, and speed. The FREQUENCY of a wave remains constant if the medium, temperature, and pressure do not change.
C is the answer , breathing problems and air pollution relate
YOUR RIGHT, you should use your rearview mirror at night
Isnt the answer A, Active because they are taking action by reading a bok to the students?
Answer:
B
Explanation:
A. Changing the sentence structure isn't a good way to control the pacing of the story because keeping a constant structure helps keep the story well put together
C. Making the narrator reliable is irrelevant because he doesn't need any credibility
D. Making the character's dialogues "sound more realistic" is not a way to control the pace of the story. People talking has nothing to do with how the story flows