Q: The anterior muscles of the neck facilitate swallowing and what else? Choices: - hearing - crying - perspiration - speech A:
speech

Q: What are gemstones known as when light cannot pass through them? Choices: - inorganic - blocking - protective - opaque A:
opaque

Q: Alkaline earth metals are what color? Choices: - white - black - reddish orange - silvery grey A:
silvery grey

Q: What term describes the amount of solute in a given amount of solution? Choices: - density - temperature - cloudiness - concentration A:
concentration