Fact 1: Crumple means change shape from smooth into compacted by physical force. Fact 2: Crumple the foil then carefully reopen it. Given the two facts above, answer the question "What is used to scrunch up foil?" with the following options: - tin - awl - parchment paper - an external framework - Physical force - energy barrier - hard outer covering - Evaporation
Answer:
Physical force