Respuesta :
The descriptive details that develop the necessary imagery to back the author's purpose would be:
B). “the swiftest in flight”
D). “fly at such incalculable speed”
E). “no bird can escape them by flight”
- 'Imagery' is characterized as the literary device in which the author 'proffers vivid details and descriptions of an idea.
- In the given excerpt, the use of vibrant and striking vocabulary in the phrases like 'the swiftest...flight,' 'fly...speed,' and 'no...flight' assists in serving the author's purpose of allowing the readers to visualize the exact idea represented.
- This will help them better associate with it and elicit the intended response as expected by the author.
Thus, options B, D, and E are the correct answers.
Learn more about 'Imagery' here:
brainly.com/question/18453023
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