2. You're sitting on a warm granite rock, enjoying the sunshine. You decide it's time to test the water. You take off your shoes and walk across the cool sand to the water. You wade into the water, enough to cover your feet. Brrr! The water is cold. You will have to wear a dry suit when you go diving. (16 points) a. Which item - the granite rock, the sand, or the water - has the highest specific heat? Which has the lowest specific heat? (4 points) b. Which item requires the least energy to increase its temperature? Explain your answer in terms of this item's specific heat. (4 points)