Read the following statements carefully:1.The National Geographic Society has successfully installed the world's highest operating weather stations on Mount Everest.2.The station will provide researchers, climbers, and the public with near real-time information about mountain conditions.3.The Balcony weather station is the first weather station installed at an elevation above 8,000 metres.Which of the above statements is/are correct?

• A. Only 1
• B. Only 1 and 2
• C. Only 1 and 3
• D. Only 2 and 3
• E. All are correct