Q: What system is responsible for defending your body against sickness? Choices: - nervous system - circulatory system - digestion system - immune system A:
immune system
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Q: What will you see if you look at a star through a prism? Choices: - kaleidoscope - rainbow - spots - spectrum A:
spectrum
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Q: What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern? Choices: - a zirconium - a ruby - an agate - a diamond A:
a diamond
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Q: During what stage are chromosomes condensed enough to be seen under a microscope? Choices: - cytokinesis - meiosis - epistasis - mitosis A:
mitosis
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