Evidence?

[lilphil1989]

i have read the post on the tectonic plates i can direct the line from the diagram.
but on the depth of the ocean map it shows that the "crack" is 4000m below sea level and the ocean next to it is 11000 below sea level. why arnt the rest of the plates visable on ocean depth like this. why is this "crack" so clear?

I'm going to create a new thread for this, in the science section. We'll carry on our discussion of evolution and plate tectonics there, since you've hijacked someone else's thread with irrelevant material and it's going on for quite a few posts.