Which element of the national geographic video most clearly establish a serious mood? a. the girl's pink coatb. phrases like "little girl"c. the coughing soundsd. the picture of the plane

explanation:

d the picture of the plane

c. the coughing sounds

explanation:

Take any four lines from this poem—either consecutive or sporadic lines—and show how at least three of these literary devices are applied: metaphor, assonance, sibilance, tone, and/or imagery. ... Sibilance is also used at the beginning of the poem with the line " SHE dwelt among the untrodden ways".