The combustion of 4.000g of a compound that contains only C, H, N and Br yields 3.826g of CO2 and 2.087g of H2O. Another sample of the compound with a mass of 3. 111g is found to contain 1.803 grams of Br. What is the empirical formula of the compound?

Which of the following is the most likeley example of an favorable mutation a. a mutation that makes a rabbit able run faster b. a mutation that changes the rabbit's fur to bright orange c. a mutation that changes the color of the rabbit's eyes d. a mutation that gives a rabbit a third ear