*Question*
Q: The simplest way to define a base is which kind of compound that produces hydroxide ions when dissolved in water? Choices: - magnetic - solvent - covalent - ionic A:
**Answer**
ionic

*Question*
Q: Slime molds have several morphological similarities to fungi, including spore-generation, that are thought to be the result of convergent what? Choices: - generation - phenomenon - emergence - evolution A:
**Answer**
evolution

*Question*
Q: Electrons flow through wires to create what? Choices: - electromagnetism - hydroelectric power - balanced reaction - electric current A:
**Answer**
electric current

*Question*
Q: Explanations of some aspect of the natural world based on repeated observations are termed what? Choices: - scientific insights - scientific thoughts - scientific guesses - scientific theories A:
**Answer**
scientific theories