Describe how the principle of superposition was used in determining the relative ages of the cross-sections?
3 answers
What on earth are you talking about?
EARTH SCIENCE ; NOBODY WANT TO HELP ME -.-
We'd be glad to help you if we knew what you're asking.
Maybe this site has your answer.
http://en.wikipedia.org/wiki/Law_of_superposition
Maybe this site has your answer.
http://en.wikipedia.org/wiki/Law_of_superposition