Answer the following question given this paragraph: A secondary alcohol forms a ketone when oxidized. The secondary alcohol cannot be further oxidized to produce a carboxylic acid. Tertiary alcohols cannot be oxidized in this way, because the carbon atom bonded to the OH group is not also bonded to any hydrogens. Q: What forms a ketone when oxidized? Choices: - enzyme - aldehyde - carbolic acid - secondary alcohol A:
secondary alcohol
(Question)
Answer the following question given this paragraph: An ecosystem consists of all the populations in a given area, together with the nonliving environment. Q: What is the name for something that consists of all the population in a given area together with the nonliving environment? Choices: - web - totality - habitat - ecosystem A:
(Answer)
ecosystem
Ques: Answer the following question given this paragraph: Weight measures the force of gravity pulling on an object. The SI unit for weight is the Newton (N). Q: What measures the force of gravity pulling on an object? Choices: - density - volume - velocity - weight A:
Ans: weight
(Q).
Answer the following question given this paragraph: A chemical reaction is a process that changes some chemical substances into others. It involves breaking and forming chemical bonds. Types of chemical reactions include synthesis reactions and decomposition reactions. Q: What is the name of the process that changes some chemical substances into others? Choices: - acid reaction - mixture - hypodermic reaction - chemical reaction A:
(A).
chemical reaction
Ques:Answer the following question given this paragraph: These brilliant red "feathers" are actually animals called tube worms. They live in an extreme environment on the deep ocean floor, thousands of meters below the water's surface. Their world is always very cold and completely dark. Without sunlight, photosynthesis is not possible. So what do organisms eat at these depths? Tube worms depend on chemosynthetic microorganisms that live inside them for food. In this and other ways, tube worms have adapted to the extreme conditions of their environment. Q: What do tube worms rely on for food? Choices: - fatty microorganisms - lentiviruses microorganisms - sponges microorganisms - chemosynthetic microorganisms A:

Ans:chemosynthetic microorganisms
Answer the following question given this paragraph: Mollusks live in most terrestrial, freshwater, and marine habitats. However, the majority of species live in the ocean. They can be found in both shallow and deep water and from tropical to polar latitudes. Mollusks are a major food source for other organisms, including humans. You may have eaten mollusks such as clams, oysters, scallops, or mussels. Q: Clams, oysters, scallops, and mussels are examples of what type of species? Choices: - mammals - invertebrates - tortoises - mollusks A:
mollusks