Answer the following question given this paragraph: The lithosphere is composed of both the crust and the uppermost mantle. The lithosphere is a brittle, rigid solid. It is easily cracked or broken. Q: Besides the uppermost mantle, what else is the lithosphere composed of? Choices: - surface - outer core - inner core - crust A:
crust
(Question)
Answer the following question given this paragraph: linked to a lower incidence of certain diseases. Thus, there have been an increasing number of recommendations by government bodies and health associations to decrease the proportion of saturated fat and increase the proportion of unsaturated fat in the diet. Most of these organizations also recommend decreasing the total amount of fat in the diet. Recently, certain fats called trans fats have been implicated in the presence of heart disease. These are fats from animal sources and are also produced when liquid oils are exposed to partial hydrogenation, an industrial process that increases their saturation. Trans fats are used in many prepared and fried foods. Because they bring with them the health risks that naturally occurring saturated fats do, there has been some effort to better quantify the presence of trans fats in food products. US law now requires that food labels list the amount of trans fat in each serving. Since 1992, the US Department of Agriculture has been promoting a food pyramid that gives a simple, visual picture of how much of what kind of foods make up a good, balanced diet. It recommends eating as few fats as possible. Although nutritionists recognize that some fat is necessary (and largely unavoidable, even by strict vegetarians), they emphasize that a large proportion of any fat, saturated or unsaturated, in the diet is unhealthy. Even so, a difference as simple as the difference between a single and double carboncarbon bond can have a significant impact on health. Q: What kind of fats have been implicated in the presence of heart disease? Choices: - plant fats - animal fats - key fats - trans fats A:
(Answer)
trans fats
Ques: Answer the following question given this paragraph: To this point, we have examined the relationships between any two of the variables of , , and , while the third variable is held constant. However, situations arise where all three variables change. The combined gas law expresses the relationship between the pressure, volume, and absolute temperature of a fixed amount of gas. For a combined gas law problem, only the amount of gas is held constant. Q: The combined gas law involves three properties of a gas - volume, absolute temperature, and what? Choices: - power - time - direction - pressure A:
Ans: pressure
(Q).
Answer the following question given this paragraph: Freshwater marshes and swamps are characterized by slow and steady water flow. Bogs develop in depressions where water flow is low or nonexistent. Bogs usually occur in areas where there is a clay bottom with poor percolation. Percolation is the movement of water through the pores in the soil or rocks. The water found in a bog is stagnant and oxygen depleted because the oxygen that is used during the decomposition of organic matter is not replaced. As the oxygen in the water is depleted, decomposition slows. This leads to organic acids and other acids building up and lowering the pH of the water. At a lower pH, nitrogen becomes unavailable to plants. This creates a challenge for plants because nitrogen is an important limiting resource. Some types of bog plants (such as sundews, pitcher plants, and Venus flytraps) capture insects and extract the nitrogen from their bodies. Bogs have low net primary productivity because the water found in bogs has low levels of nitrogen and oxygen. Q: What develops in depressions where water flow is low or nonexistent? Choices: - swamps - ponds - sinkholes - bogs A:
(A).
bogs
Ques:Answer the following question given this paragraph: Fermented Foods. Fermentation is a type of respiration that doesn't use oxygen. Fermentation by bacteria is used in brewing and baking. It is also used to make the foods pictured here. Q: What type of respiration does not use oxygen? Choices: - condensation - oxidation - cellular - fermentation A:

Ans:fermentation
Answer the following question given this paragraph: Q: What do you call the formation of a water vapor pocket? Choices: - conduction - precipitation - coagulation - cavitation A:
cavitation