Read the poem "the purple cow," by gelett burgess. the purple cow (reflections on a mythic beast who's quite remarkable, at least.) i never saw a purple cow; i never hope to see one; but i can tell you, anyhow, i'd rather see than be one. what is the main difference between "the purple cow" and frost’s poem "mending wall"?
a. the use of rhyming in "the purple cow"
b. the use of rhyming in "mending wall"
c. the use of free verse in "mending wall"
d. the use of iambic pentameter in "the purple cow"

A. the use of rhyming in "The Purple Cow"

Explanation: "Purple Cow" is a short nonsense poem by American writer Gelett Burgess. A rhyme is a repetition of similar sounds in the final stressed syllables and any following syllables of two or more words. The word rhyme has been sometimes used as a shorthand term for any brief poem, such as a rhyming couplet or nursery rhyme like in "The Purple Cow" making the main difference with the Frost’s poem "Mending Wall.

The main difference between "The Purple Cow" and Frost’s poem "Mending Wall" is the use of rhyming in "The Purple Cow"

Explanation:

"The Purple Cow" by Gelett Burgess has simple kids rhyme that is, in fact, a children's song, it has been considered by many as a silly poem, while "Mending Wall" by Robert Frost is blank verse, a form of poetry with unrhymed lines organized in an iambic pentameter, this makes it the opposite of Burgess's poem.

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.

i had this on usatestprep and i put c; not 100% if it will   be correct if not i am sorry