The Equator.
Height above earths surface is called elevation
The Earth's surface layer is called the crust.
There is no such thing as half of the Earth. If you are referring to half of the spherical shape of the Earth then it will be a hemisphere.
When magma comes up to Earth's surface and hardens, it is called lava.
The science which records facts about the Earth's surface is called geology.
Subsidence.
Velocity (not verlocity) parallel to the earth's (not earht's) surface is called the horizontal component of the velocity.
Height above earths surface is called elevation
Projection
It is called the crust.
it is called magma.
The Earth's surface layer is called the crust.
meteoroid
A meteorite.
Yes
Molten rock material on Earth's surface is called lava. When under Earth's surface it's called magma
Molton rock that flows from a volcano onto Earths surface is