HELP AND FAST IS DUE SOON In biology class, Zach observes cells. Each cell has a structure that separates the inside of the cell from the environment. Which structure is Zach observing?

nucleus

cytoskeleton

cell membrane

genetic material

Ineed could you guys be my ; ( or you could make me some imaginary friends

Which one of the following is not a good procedure to follow if you wish to avoid being rear ended by another vehicle

You are a psychologist who has been asked to write a brief report about the possible causes of anxiety (nervousness, fears, in your report, write up a summary that explains and examines anxiety according to each of the psychological perspectives: psychoanalytic behavioral cognitive humanistic biological sociocultural