The authors of the "Preliminary Statement of the Association of Manhattan District Scientists" mention the “grave danger that lies ahead” with the weapon they have developed. What is one example of a danger that they mention in the text?

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.