Select all statements which are explain the science behind the ground heat exchangers.Groud heat exchanger Select 4 correct answer(s) Question 32 options: Soil is always warmer than the outdoor air. The soil has a very large thermal mass, of a value between concrete and water. In summer, the soil is typically cooler than the outdoor air. In winter, the soil is typically warmer than the outdoor air. The soil temperature reacts very slowly to the air temperature changes. Soil is always cooler than the outdoor air