9.
“If your scales were a staircase, it would
be crooked" is an example of
A. allusion
B. irony
C. pun.
D. analogy.

Not sure if there was any sort of picture or something to go along with this but my guess is the book went into deep depth and was very informative.

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.

The answer is !