|
|
|
3
|
the dense metallic center of the Earth
|
|
4
|
the investigation and exploration of natural events and of the new information that results from those investigations
|
|
5
|
landforms with low relief and low elevation
|
|
7
|
the outer part of the magnetic field that interacts with these particles
|
|
9
|
the crust and the uppermost mantle grouped into a rigid layer by scientists
|
|
10
|
Earth's entire solid body
|
|
12
|
topographic features formed by processes Earth's surface
|
|
13
|
shaped like a ball, with all points on the surface at an equal distance from the center
|
|
14
|
the amount of mass in a material per unit volume
|
|
15
|
areas with low relief and high elevation
|
|
|
