Problem: Given the question: I have a new situation: Greg is an electrical engineer. He works for an engineering firm that builds houses. Yesterday, Greg was checking two of the houses. He noticed that one of the houses had short circuit. He labeled that as case A. But the other house didn't have short circuit. He labeled that as case B. But I can use this background: In the wiring of a building, the wires carrying the current in and out are different and never touch directly. The charge passing through the circuit always passes through an appliance (which acts as a resistor) or through another resistor, which limits the amount of current that can flow through a circuit. Appliances are designed to keep current at a relatively low level for safety purposes. The appropriate voltage and resistance in a circuit keeps the current in control and keeps the circuit safe. It is possible, however, for something to happen that causes the wire bringing the current in to come into contact with either the wire carrying the current out or the ground wire, thus causing what is called a short circuit . In a short circuit, some or all of the resistance is cut out of the circuit allowing the voltage to push a huge current through the wires. What is an answer for this question: Which case would see more current pushing through the wires, case A or case B?
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The answer is:
case A

Problem: Given the question: I have a new situation: The fisherman had 2 choices: he could go to Silver Lake situated at a higher altitude and fish there; or he could go to Red lake, a few miles further down the road. Both lakes were natural, but Red Lake had a few pollution problems last year, and the oxygen levels in the water decreased, leading to many fish dying. Silver lake was still pristine, untouched by human activities such as pollution. But I can use this background: Fish mortality is a parameter used in fisheries population dynamics to account for the loss of fish in a fish stock through death. The mortality can be divided into two types: Natural mortality: the removal of fish from the stock due to causes not associated with fishing. Such causes can include disease, competition, cannibalism, old age, predation, pollution or any other natural factor that causes the death of fish. In fisheries models natural mortality is denoted by (M).[1] Fishing mortality: the removal of fish from the stock due to fishing activities using any fishing gear.[1] It is denoted by (F) in fisheries models. What is an answer for this question: Which lake had a lower fishing mortality last year?
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The answer is:
Red Lake

Problem: Given the question: I have a new situation: Two counties paid a study about acid rain. They found out Hill county had experienced that, while New county hadn't. But I can use this background: One result of air pollution is acid rain. Acid rain is precipitation with a low (acidic) pH. This rain can be very destructive to wildlife. When acid rain falls in forests, freshwater habitats, or soils, it can kill insects and aquatic life. It causes this damage because of its very low pH. Sulfur oxides and nitrogen oxides in the air both cause acid rain to form ( Figure below ). Sulfur oxides are chemicals that are released from coal-fired power plants. Nitrogen oxides are released from motor vehicle exhaust. What is an answer for this question: Which county experienced more precipitation destructive to wildlife?
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The answer is:
Hill