Which three of these statements best describe the attitude of humans on Earth as they are described in paragraph one of this excerpt. Choose one answer from each group. Type the LETTER ONLY for each answer in the correct blank. Type A, B, or C for Blank 1. They think they know everything. They are unwilling to help others. They are scientifically advanced. Type F, G, or H for Blank 2. They are interested in exploring space. They have a keen knowledge of extraterrestrial beings. They are unaware of other beings. Type I, J, or K for Blank 3. They believe in charity. They are curious to learn more. They often think about the benefits of exploration.