Answer:
It is predicate nominative in my opinion
I believe it's A. That's considering the the words they used and the listing format.
<span>The scientifically accepted age of earth is 4.6 billion years
The most commonly accepted number in science is 4.6 billion years.</span>
Villian...
i can make up a story and send it to you on email or something !,
good luck tho
