We were(educate)according to British system.

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.

How does a gymnosperm prevent itself from pollinating the same tree

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt