Frank loves to swim in the lake near his house. After swimming in the lake one afternoon, he discovered two big slimy, blood sucking leeches attached to his leg. He was repulsed by the experience of...

Frank loves to swim in the lake near his house. After swimming in the lake one afternoon, he discovered two big slimy, blood sucking leeches attached to his leg. He was repulsed by the experience of pulling the slimy bodies off his leg. Now when he drives by the lake he shudders in disgust. NS: UCS: UCR: CS: CR?