Answer the following question given this paragraph: Capillaries are the smallest type of blood vessels. They connect very small arteries and veins. The exchange of gases and other substances between cells and the blood takes place across the extremely thin walls of capillaries. Q: What are the smallest type of blood vessels? Choices: - viens - arteries - neurons - capillaries A:
capillaries
Answer the following question given this paragraph: Then, as now, giraffes fed on tree leaves. Perhaps the environment changed, and leaves became scarcer. There would be more giraffes than the trees could support. Thus, there would be a "struggle for existence. ". Q: Are giraffes herbivores or are they omnivores? Choices: - neither - carnivores - omnivores - herbivores A:
herbivores
Q: Answer the following question given this paragraph: Ammeters measure the current through a resistor. Q: What is used to measure current through a resistor? Choices: - thermometers - spectrographs - microscopes - ammeters A:
A: ammeters
Question: Answer the following question given this paragraph: Perhaps the most familiar liquid-solid solution is dental amalgam, used to fill teeth when there is a cavity. Approximately 50% of the amalgam material is liquid mercury to which a powdered alloy of silver, tin and copper is added. Mercury is used because it binds well with the solid metal alloy. However, the use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding the toxicity of mercury. Q: The use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding what? Choices: - the expense - the oxygen - the variability - the toxicity A:
Answer: the toxicity
*Question*
Answer the following question given this paragraph: Hyphae : These are thread-like strands which interconnect and bunch up into a mycelium ( Figure below ). Ever see mold on a damp wall or on old bread? The things that you are seeing are really mycelia. The hyphae and mycelia help the fungi absorb nutrients from other organisms. Most of the mycelium is hidden from view deep within the fungal food source, such as rotting matter in the soil, leaf litter, rotting wood, or dead animals. Fungi produce enzymes to digest cellulose and various other materials found in rotting matter, helping with the decaying process. Q: What helps fungus digest cellulose and other materials found in rotting matter? Choices: - carbohydrates - hormones - soil - enzymes A:
**Answer**
enzymes
(Question)
Answer the following question given this paragraph: The average kinetic energy of the molecules is proportional to the temperature of the sample. Q: The kinetic energy of molecules is generally proportionate to what other property that they have? Choices: - variation - mass - precipitation - temperature A:
(Answer)
temperature