question_answer

Direction: Read the given argument or statement carefully, making any factual assumptions necessary. Then, choose the best answer out of the four choices to the question asked Note that not all the facts given will be relevant for determining the answer.

A chemical company recently introduced a new type of foam spray that it claims will reduce the rate of erosion from the walls of road cuts. A study by the company showed that the rate of erosion was low on a road cut, where the foam was applied Which of the following, if true, would most seriously weaken the company's conclusion?

A)  Because the foam itself weathers, the foam would have to be reapplied every four years in order to maintain protection against erosion

B)  Road cuts similar to the one studied typically show low rates of erosion without the foam

C)  Studies by the company that produces the material are sometimes unreliable because of conflicts of interests

D)  The rate of erosion from the road cut in the study was greater than expected based on computer simulation models.