If you love god help me with these please and thank you

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?