Speed of these revealed Earth's layers? What the word?

Question

nnesha · Answer

$\huge\color{Green}{{\rm welcome}\rm~to~open~study!!!!}$
this is math section if you look at the top there is "find more subject" click on it and find correct section for that question 
thanks :)

anonymous · Answer

Isn't this where all problems go?

nnesha · Answer

nope there are separate section for every subject 
isn't it earth science ??

anonymous · Answer

Oh sorry I did t know because the last time I aksed a question and someone answered and say anything so I didn't know Im still kinda new here

nnesha · Answer

yeah no problem 
i can understand that
i know you are new :) :) so that's fine :)
'll give you a link 
its earth science right

anonymous · Answer

Yes

nnesha · Answer

http://openstudy.com/study#/groups/Earth%20Sciences okie dokie here is a link just go there and tag some users

nnesha · Answer

to tag someone first type  @ <--this then right name
@pandeee_ like this :)