select the two adjectives. dont select any articles (a, an, or the). dogs can detect sound at a higher…

select the two adjectives. dont select any articles (a, an, or the). dogs can detect sound at a higher frequency than humans; therefore, they hear high - pitched noises that we cant.
Answer
Brief Explanations:
Adjectives modify nouns. In the sentence, "higher" modifies "frequency" and "high - pitched" modifies "noises".
Answer:
higher, high - pitched