Question 1 (4 points) Single bonds, double bonds, and triple bonds C) have 1, 2, and 3 shared electrons, respectively. C) have 2, 4, and 6 shared electrons, respectively. (_) have 3, 6, and 9 shared electrons, respectively. () are only possible between carbon atoms. Question 2 (4 points) Why are HFCs inappropriate for long-term replacement of CFCs? (_) They are flammable (_) They are very toxic (_.) They absorb infrared radiation (_) They are an appropriate replacement Question 3 (4 points) The Montreal protocol is a (_) treaty to protect against global warming. () treaty to reduce the amount of CFCs produced in the world. (_) list of substitutes for CFCs. (_) way to destroy CFCs in the stratosphere