Help please I'm in summer school and I dont know how to do this​

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Can someone i have no idea of how to do this.

Visualize the structural formula of each of the following hydrocarbons. which hydrocarbon has a double bond in its carbon skeleton?