Gring and Woodin's Adventure in Water Kingdom2

I appreciate your eorts! Your coats are ready. Please try them on! Yay! This is so warm!! Thank you so much. Well, Minami-chan! We need to answer a question correctly to get the heavy-duty coats and the candies, don't we? You are right! Here's the question! In the cold winter, what kind of windows prevent cold air from cooling the room? ① A window made from a sheet of glass ② A window made from two sheets of glass stuck together ③ A window made from two sheets of glass separated slightlyMy heavy-duty coat is worn out. I want a new one like you!Yes, we have enough fruit.We did it!