What does Darwin's controversial book, On the Origin of Species by Means of Natural Selection, illustrate?
А
the importance of variations in organisms
B
that traits affect how likely an organism is to reproduce
с
how species evolve by adapting to their environment
D
all the above

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.