Brianna reported a measurement in units of hertz. What property of a wave was she measuring? A. period
B. frequency
C. amplitude
D. wavelength

Plz (i only understand "the song of wandering aengus." and i have no idea what the raven means so i can't answer this. me i will give brainlest and a 5-star rating) consider the speakers in "the raven" and the speaker in "the song of wandering aengus." write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem? use examples from each poem to as evidence for your answer