Has anyone done this ? k12 students ?

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Compare the composition of the moon's surface with the composition of the earth's surface.

Which characteristics are typical of a human population in the postindustrial stage?