Question: Answer the following question given this paragraph: Polyamides Just as the reaction of a diol and a diacid forms a polyester (Section 15.8 "Preparation of Esters"), the reaction of a diacid and a diamine yields a polyamide. The two difunctional monomers often employed are adipic acid and 1,6-hexanediamine. The monomers condense by splitting out water to form a new product, which is still difunctional and thus can react further to yield a polyamide polymer. Q: Just as the reaction of a diol and a diacid forms a polyester, the reaction of a diacid and a diamine yields this? Choices: - phenol - polyethylene - acetone - polyamide A:
Answer: polyamide

Question: Answer the following question given this paragraph: The pancreas and liver secrete fluids that aid in digestion. Q: What two organs secrete fluids that aid in digestion? Choices: - kidney and gall bladder - stomach and lung - spleen and bladder - pancreas and liver A:
Answer: pancreas and liver

Question: Answer the following question given this paragraph: A star like our Sun will become a red giant in its next stage. When a star uses up its hydrogen, it begins to fuse helium atoms. Helium fuses into heavier atoms like carbon. At this time the star's core starts to collapse inward. The star's outer layers spread out and cool. The result is a larger star that is cooler on the surface, and red in color. Q: What is our sun's next stage called? Choices: - blue giant - white giant - super nova - red giant A:
Answer:
red giant