Answer the following question: Fact 1: Crumple means change shape from smooth into compacted by physical force. Fact 2: Density increases with depth due to compaction and progressive cementation. Given the two facts above, crumple means_ increases by physical force.?

OPTIONS: (I) threatened (II) mass (III) an object (IV) density (V) movement (VI) weight (VII) volume (VIII) It expands
Answer:
(IV)