Which words in the sentence make up the adjective phrase?
the black dog with the red collar is very gentle with children.
a. with the red collar
b. the black dog
c. is very
d. very gentle with children

Let me break it down first an adjective phrase is basically a group of words that can explain a noun or a pronoun its just saying it's more than one adjective explaining one thing.

Then is very gentle with children. 

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro

Hydrophobia (fear of or aversion to water).