Answer the following question given this paragraph: Low sulfur coal produces less pollution when burned than high sulfur coal. Name one factor that affects the sulfur content in coal. Q: What is a benefit of low sulfur coal over high sulfur coal? Choices: - greater enerty - lower cost - less erosion - less pollution A:
less pollution

Answer the following question given this paragraph: Q: Platelets play a role in what cascade of reactions that converts plasma fibrinogen to fibrin? Choices: - hemophilia - sickle cell anemia - bleeding - blood clotting A:
blood clotting

Answer the following question given this paragraph: Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Figure below shows the hands of several different mammals. They all have the same basic pattern of bones. They inherited this pattern from a common ancestor. However, their forelimbs now have different functions. Q: What do we call structures that are similar in related organisms because they were inherited from a common ancestor? Choices: - monogamous - polylogous - filamentous - homologous A:
homologous

Answer the following question given this paragraph: Monatomic ions have an oxidation number equal to their charge. Li + has an oxidation state of +1, Ba 2+ has an oxidation state of +2, I - has an oxidation state of -1, and so on. Q: Monatomic ions have an oxidation number equal to their what? Choices: - size - cost - length - charge A:
charge