Sam and Jim are two bakers who both just finished baking a batch of muffins. They both baked more muffins than they needed, so they decided to store some of them for later. Sam decided to store his extra muffins in the refrigerator, where the temperature is relatively high. Jim instead decided to store his extra muffins in the freezer, where the temperature is relatively low. Given the paragraph above, please answer correctly the following question: Whose muffins will spoil slower? Hint: When the temperature of reactants is higher, the rate of the reaction is faster. At higher temperatures, particles of reactants have more energy, so they move faster. As a result, they are more likely to bump into one another and to collide with greater force. For example, food spoils because of chemical reactions, and these reactions occur faster at higher temperatures (see the bread on the left in the Figure below ). This is why we store foods in the refrigerator or freezer (like the bread on the right in the Figure below ). The lower temperature slows the rate of spoilage.
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Answer: Jim
Q: Two neighboring planets identical to Earth in size and atmospheric conditions behaved differently towards their environments. Planet A emitted a lot of air pollution, destroying its ozone layer, while Planet B respected the environment and used ecological products. Given the paragraph above, please answer correctly the following question: Which planet used more chlorine gasses? Hint: Unfortunately, the layer of good ozone is being destroyed by air pollution. The chief culprits are chlorine and bromine gases. They are released in aerosol sprays, coolants, and other products. Loss of ozone has created an ozone hole over Antarctica. Ozone depletion results in higher levels of UV radiation reaching Earth. In humans, this increases skin cancers and eye cataracts. It also disturbs the nitrogen cycle, kills plankton, and disrupts ocean food webs. The total loss of the ozone layer would be devastating to most life. It's rate of loss has slowed with restrictions on pollutants, but it is still at risk.
A: Planet A
Question: John is a doctor at the children's hospital. He had two different cases to investigate, case A and case B. In case case A, a baby continued to suckle mother's milk. But in case B, a baby stopped suckling mother's milk. He had to determine the different effects these two cases were causing. Given the paragraph above, please answer correctly the following question: Which is not an example of positive feedback, case A or case B? Hint: Some processes in the body are regulated by positive feedback. Positive feedback is when a response to an event increases the likelihood of the event to continue. An example of positive feedback is milk production in nursing mothers. As the baby drinks her mother's milk, the hormone prolactin, a chemical signal, is released. The more the baby suckles, the more prolactin is released, which causes more milk to be produced. Other examples of positive feedback include contractions during childbirth. When constrictions in the uterus push a baby into the birth canal, additional contractions occur.
Answer: case B
[Q]: David was visiting Japan. First, he went to Fukushima where the recent nuclear plant disaster happened. He found the city still had very high radiation. Then he visited Hiroshima. He found that Hiroshima had some low radiation. Finally, he visited the capital city Tokyo. He found that Tokyo did not have any radiation. Given the paragraph above, please answer correctly the following question: In which city a Geiger counter would start clicking, Hiroshima or Tokyo? Hint: One reason radiation is dangerous is that it can't be detected with the senses. You normally can't see it, smell it, hear it, or feel it. Fortunately, there are devices such as Geiger counters that can detect radiation. A Geiger counter, like the one in Figure below , has a tube that contains atoms of a gas. If radiation enters the tube, it turns gas atoms to ions that carry electric current. The current causes the Geiger counter to click. The faster the clicks occur, the higher the level of radiation.
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[A]: Hiroshima
input: Please answer the following: There are two neighboring towns in the middle of the United States with a river running through both of them. One town, Glenview, just installed a new set of levees due to concerns about the river flooding. The other town, Binnington, is located just upstream from Glenview and has not yet installed any flood protection. Given the paragraph above, please answer correctly the following question: Which town will experience a smaller increase of water when the river floods? Hint: People protect areas that might flood with dams. In dire situations, they use sandbags ( Figure below ). Dams are usually very effective, but high water levels sometimes cause a dam to break. In that case, flooding can be catastrophic. Flood waters can also overflow a dam. People may line a river bank with levees to protect against floods. These are high walls that keep the stream within its banks during floods. Flood protection in one location sometimes causes problems elsewhere. For example, a levee in one location may just force the high water upstream or downstream. This will lead to flooding in a different location. Sometimes water gets so high that the river must be allowed to flood.
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output: Glenview
Two farms had winds destroying their crops. Hill farm started installing windbreaks, while Valley farm didn't have the funds to do that so they postponed the project. Given the paragraph above, please answer correctly the following question: Which farm didn't reduce the wind velocity around crops? Hint: Windbreaks reduce wind velocity over and around crops. This increases yields through reduced drying of the crop and/or by preventing the crop from toppling in strong wind gusts.
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Answer:
Valley