I believe it is a metaphor because it compares the public and swine without the use of like or as.
Answer:
A sound argument is sensible and valid
Explanation:
Sound can mean strong so a strong argument would be sensible and valid
1: Has Played
2: (circle "will buy") We bought a new car yesterday morning.
3: B
4: The Sound of Music
5: Disbelief
<span>The answer is timbre. Timbre is a feature of the sound, which is a wave. Other features of sound are pitch (related with frequency) and loudness. Timbre is the feature of sound that permit ear to distinguish sounds with the same frequency and loudness.</span>