Which is a run-on sentence?
a. roses have sharp thorns, but they are beautiful just the same.
b. african violets usually have purple flowers some have white ones.
c. acorns drop from oak trees, and they are a food source for squirrels.
d. sunflowers are usually yellow, yet some are red or orange.

What structure does the poet employ in the first stanza of "the second coming"? a) he gives examples that point to a problem of lost innocence in modern society. b) he warns of an effect that results from avoiding traditional customs. c) he compares and contrasts innocence and violence. d) he argues that society promotes its problems.