(Question)
Q: Which group of metals in the periodic table include elements such as sodium and potassium? Choices: - igneous metals - actinides - lanthanides - alkali metals A:
(Answer)
alkali metals

(Question)
Q: What part of the body does the mycobacterium tuberculosis bacterium usually attack? Choices: - Pancreas - muscles - heart - lungs A:
(Answer)
lungs

(Question)
Q: A wave is the transfer of energy through what else? Choices: - liquid - air - gas - matter A:
(Answer)
matter