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Q7 in 1960s studies of rats scientists found that

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Q7: In 1960’s studies of rats, scientists found that crowding increases the number of attacks among the animals significantly. But in recent experiments in which rhesus monkeys were placed in crowded conditions, although there was an increase in instances of “coping” behavior—such as submissive gestures and avoidance of dominant individuals —attacks did not become any more frequent. Therefore it is not likely that, for any species of monkey, crowding increases aggression as significantly as was seen in rats. Which of the following, if true, most strengthens the argument?
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A. All the observed forms of coping behavior can be found among rhesus monkeys living in uncrowded conditions. B. In the studies of rats, nondominant individuals were found to increasingly avoid dominant individuals when the animals were in crowded conditions. C. Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do. D. Some individual monkeys in the experiment were involved in significantly more attacks than the other monkeys were. E. Some of the coping behavior displayed by rhesus monkeys is similar to behavior rhesus monkeys use to bring to an end an attack that has begun. Answer: ----------------------------------------------------------------------------------------------------- Q8: In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country’s size and that brought its western border within reach of the Pacific Ocean. --------------------------------------------------------------------------------------------------------- Q9: Early in the twentieth century, Lake Konfa became very polluted. Recently fish populations have recovered as release of industrial pollutants has declined and the lake’s waters have become cleaner. Fears are now being voiced that the planned construction of an oil pipeline across the lake’s bottom might revive pollution and cause the fish population to decline again. However, a technology for preventing leaks is being installed. Therefore, provided this technology is effective, those fears are groundless. The argument depends on assuming which of the following?
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