1 or 2
10 km contour interval plus the 45 km contour
half of earths layer
300 km
410km
none of your business
About 2100 km.
Between 50 and 100 km
About 2100 km.
Oceanic and continental combined is approximately 25 miles.
ambot lang
ambot lang
The earths mantle is one of the four major layers, laying between the crust and the outer core. At 2885 kilometers, it is the thickest layer.
The earth's atmosphere can be imagined as the same relative thickness as the varnish on a model globe.