lava
That depends where it is. On the surface of the planet it would be lava and in the earths core it would be the mantle.
hydrosphere
1800km - 1900km
1800km - 1900km
Subsidence.
Water
well i don't know the answer hhhahahaahahh
Height above earths surface is called elevation
It is called the crust.
Projection
At the surface of the liquid the phenomenon is called evaporation. In the entire voume of the liquid the phenomenon is called vaporization.
about 3,000 km study island question