Q: What property of carbon and other elements can be used to date fossils and rocks, among other things? Choices: - mass - full-life - magnetic force - half-life A:
half-life

Q: What is the term for a very rapid motor response that is not directed by the brain? Choices: - instinct - adaptation - sensor - reflex A:
reflex

Q: Gene expression is regulated primarily at the what level? Choices: - manufacturing - translational - binding - transcriptional A:
transcriptional

Q: What is corrosive mixture is formulated by the combination of water, air and sulfur? Choices: - nitric acid - sulfuric water - hydrochloric acid - sulfuric acid A:
sulfuric acid