The answer is b to support the authors opinion about oceans
The correct answer is Harmonizer.
Why?
You have every person in the group (Apeers to be a music band), but you have no one to prudce it. This is why harmonizer is the correct answer.
Hope this helps!
Try using better words for the little words you use. Maybe for an example say, And this is the reason because. Or maybe another reason due to this is...
The list you look for is a). The verb 'to go' is an irregular verb because it completely changes its form in the past: went - gone.
