Based on this chart, why is the Social Security Administration facing a funding problem? Life expectancy is increasing slower than expected, so people are not living as long as thought. Younger people are no longer paying as many retirement taxes as in past generations. The number of elderly Americans is growing quickly, so more money is going out than coming in. An unequal amount of taxes is being allocated to Medicare and Medicaid services.

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.