none of your business
50km
1.4
the plates slide in place
2
the crust is the thickness of earths layers
none of your business
temperature increases with depth
50km
Yes it is.
1.4
it increases
gradient
As the depth increases, the density increases also.
Geological conditions of the earth surface or UG surface decide where we mined coal. And also depth or thickness of coal seam.
the plates slide in place
2
The Earth's lithosphere can vary in depth from 5 km at the ocean ridges to 200 km underneath mountain ranges.