Answer:
I am 80% sure it's predicate adjective
The figurative language is “like a ball”. It’s an simile since he’s comparing the fall to a rolling ball. Well he’s comparing the way he fell like an ball rolling down the stairs.
Possibly because the ocean is frozen in the north and it is too cold with no goods to ship.
The problem in the sentence "James is more smarter than Steven", is option A. Double Comparison. Double comparison happens when we use the word more or less plus the comparative form of an adjective with the suffix -er.
Use the important details of each paragraph.You don't have to use each one as long as it covers the BME .