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.