Using the image below, identify which of the statements is true.

a. in part a the cell is 2n, and in part b the cell is 4n.

b. all of the above are true.

c. part a in the image is the chromosome before s phase of interphase, and part b is after dna replication has occurred.

d. the image shows a homologous pair chromosome 4 in part a, and sister chromatids in part b.

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.