B) The fearsome unstoppable dog barked at us viciously needs a comma after fearsome and before unstoppable
C. chapter 4. cars are built in factories, so they would use "robots in factories".
Answer:
I can see a gargantuan tsunami. It is so large that a lighthouse looks like an ant in front of it. By the looks of it, it will wipe many innocent lives out. It is going to flood a large amount of area.