If you wanted to persuade the school board that the leaky roofs above the science lab need replacing, which sentence would provide the most effective sensory detail for this plea? a) the roof above the science labs are leaking and need replacing as soon as possible. b) the science labs are a very important part of every student's education and hands-on experience. c) all of the science teachers are in agreement that the labs have roofs that really need replacing. d) above our clean science labs is a roof covered with green mildew and dripping with dirty rainwater.

It will be through raising high the prestige of your administration by success in short-range recovery, that you will have the driving force to accomplish long-range reform. on the other hand, even wise and necessary reform may, in some respects, impede and complicate recovery. what is the purpose of the transitional phrase on the other hand in this excerpt? a) it provides a counter-argument to the writer's main ideas. b) it provides a hypothetical situation for the reader to ponder. c) it provides additional evidence in favor of the writer's argument. d) it provides information about laws that are opposed to the writer's argument.