Derek has a bird that weighs 4 pounds. use the double line diagram below to you determine approximately how many kilograms this bird weighs.2 lines. the first line is labeled pounds and has 6 marks, equally spaced apart, and every other mark labeled 3, 5, 7, respectively. the second line is labeled kilograms and has 6 marks, equally spaced apart, and every other mark labeled, 1, 2, 3, respectively.