A. Geckos: Wouldn’t You Like to Have One?
b.
Geckos: Common Features and Characteristics
c.
Leopard, Ptychozoon, and Crocodile Geckos
d.
A History of the 1,196 Species of Geckos

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

what is your question?

idkexplanation:

make sure you add the 455 plus 468 you can use a calculator to find the answer its 455 plus 458 of textbook