Q: What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water? Choices: - hydrocarbon - sulfur - base - acid A:
acid
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Q: What branch of science is the study of human origins? Choices: - biology - pharmacology - palaeobiology - paleoanthropology A:
paleoanthropology
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Q: What can alkenes and alkynes be reduced with to form alkanes? Choices: - acids - oxygen - enzymes - hydrogen gas A:
hydrogen gas
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Q: The autonomic nervous system serves as the relay between what and the internal organs? Choices: - hormones - somatic system - peripheral nervous system - central nervous system A:
central nervous system
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