nothing
The reveran sits with them up top
The lithosphere sits on top of the asthenosphere.
I have tried that experiment before. The salt just sits on top of the water.
Iceland sits on top of water.
Edinburgh Castle sits on top of an extinct volcano and the rock below it is basalt. The Castle itself is just built of locally quarried stone.
cat
man of course
Aluminum
You fasten material with needle and thread by sewing the material. In most cases, you will place one piece of material on top of another and then stitch the material together with the needle and thread.
Copper
Asian Plate
top of spine