The block diagram below illustrates a cross section through the Earth’s crust. The front panel reveals dipping (inclined) sedimentary rocks which include sandstone, shale and limestone. The heavy lines are stream channels. You are hired as an environmental geologist to help a developer decide which of the two possible localities is best for building homes. Compare building sites A and B from a landslide-risk perspective. Which of the two sites would you recommend? Explain your reasoning.