Consider the following statements about the Himalayan ecology: (1) The Great Himalayan National Park is a UNESCO World Heritage Site. (2) Rhododendron flowers found in the Himalayas are used to make sherbet. (3) The snow leopard is found only in the Western Ghats. (4) Yaks provide milk, meat, wool, dung, and transport to Himalayan communities. Which of the above statements are correct?