You are looking through a microscope at onion cells and you see a cell with the sister chromatids lined up across the middle of the cell. what phase of mitosis are you observing?

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

What is the approximate chemical composition of the solar nebula?