If two brown-eyed people have a blue-eyed child, we can deduce which of the following? a. the gene for blue eyes is recessive. b. the gene for blue eyes is sex-linked. c. the child's eye color is the result of mutation. d. the gene for brown eyes is recessive i need the true and correct answer this is for a test for school

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.