A is the only answer that would prove that security is needed on them
I will underline the <u>predicate nouns or pronouns</u> and mark in bolds the predicate adjectives. Remember: <em>predicate pronouns</em> are pronouns that are present in the predicate; <em>predicate nouns</em> follow the verb (and are nouns or noun phrases that renames or offers more information about the subject); <em>predicate adjectives follow a verb</em> and modify the subject of the sentence.
1. Itzhak Perlman <u>is a distinguished violinist.</u> (the noun phrase "a distinguised violinist" gives us more information about the subject "I. Perlman")
2. <u>Born in 1945</u>, Perlman <u>contracted polio at the age of four</u>. (Mr. Perlman was born in 1945 and he also contracted polio)
3. Perlman is also an award-winning teacher and conductor. (this is a compound predicate adjective: he is both a teacher and a conductor)
4. His playing style is enthusiastic, expressive, and flawless. (this predicate adjective describes Mr. Perlman's playing style)
5. When my friends and I listen to him play, we are amazed at his talent. (I think this is the sentence without subject complements)
According to scientific research. I think it's option C -lower the temperature of an oli
