[Q]: Panama and Ecuador are two neighboring countries. Ecuador uses nuclear fusion to produce its electricity, while Panama uses fossil fuels. Which country burns more coal?
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[A]: Panama

[Q]: Beach town was hit hard by the hurricane. Hill town was spared, being situated 50 miles south. the eye of the hurricane passed almost through Beach town. Which town had less damage caused by the water level rising above normal sea level?
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[A]: Hill

[Q]: Two villages had many inhabitants practicing horticulture. People from Valley village grew flowers and used arthropodes and other insects for pollination and crop protection. Granite village used arthropods and snails, they cultivated them for food. Which village used arthropods to reproduce flowering plants?
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[A]: Valley

[Q]: In the sub-Saharan African country of Nigeria, there are two main species that tend to travel in groups. The antelope tend to travel in groups in high numbers, and thus exhibit a high density. Meanwhile, the bison tend to travel in groups of small numbers, and therefore exhibit low density. Both the antelope and the bison have natural predators that exist in Nigeria. Individuals from which species, the antelope or the bison, will have higher rates of predator vigilance behavior?
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[A]:
the bison