Choose the correct sentence pattern.

Traditional gas-powered cars are harmful to the environment.
the answer is ​​​​​​S-V-A
Why is this answer correct?

The answer is correct because the sentence follows the subject-verb-adjective (S-V-A) pattern. "Traditional gas-powered cars" is the subject, "are" is the verb, and "harmful to the environment" is the adjective phrase that describes the subject.