It should be C. because interrogative pronouns are used to ask questions.
Answer:
Ideas that the author most wants readers to know.
Explanation:
Since this is an informational text, the key ideas would be what the author most wants readers to know.
Answer:
their is no
Explanation:
because adjectives mean that describe noun or pronoun
is this sentence their is nothing that describe the noun
Answer:
c. to convey the impressiveness of Palo Duro Canyon State Park
Explanation: