Q: Which law means that the simplest of competing theories is most likely to be correct? Choices: - Newton's law - Law of Conservation - Murphy's Law - law of parsimony A:
law of parsimony

Q: Many transition metals and their compounds are used as what? Choices: - insulators - bases - sealants - catalysts A:
catalysts

Q: What force is greater on rougher surfaces than smooth surfaces? Choices: - tension - acceleration - gravity - friction A:
friction