M3O1H4O1
9 points
MOHO is validvalid
a boundary separating the earth's crust and mantle (the region between the crust and the core) [n MOHOS]
a boundary separating the earth's crust and the mantle [n -S]
a boundary separating the earth's crust and mantle (the region between the crust and the core) [n MOHOS]
a boundary separating the earth's crust and the mantle [n -S]