Finally, in asserting that organic farming is financially unwise because it is motivated by environmental instead of economic concerns, the speaker unfairly assumes that a practice cannot be both environmentally and economically beneficial. It is possible that, in the long run, practices that help protect the environment will also result in greater economic benefits. For instance, organic farming methods may better protect soil from depletion of the elements that contribute to healthy crops, providing an economic benefit in the long run.
In conclusion, the speakers argument is poorly supported and is short-sighted. To better evaluate the argument, we would need more information about the how the survey was conducted, especially about the comparison the survey makes. To strengthen the argument, the speaker must present evidence that last years crop yields from first-time organic farmers are representative of yields among organic farms in general. The author must also provide evidence that environmentally sound practices cannot be economically beneficial as well.
30.
In this argument prudent investors are advised to stop investing in hotels and invest instead in hospitals and nursing homes. The author cites two related trends―an aging population and a decline in hotel occupancy―as grounds for this advice. To illustrate these trends, the author refers to another region of the country, where 20 percent of the population is over 65 years old and where occupancy rates in resort hotels have declined significantly during the past six months. This argument is unconvincing in a couple of important respects.
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