1
This part of the Earth system is the planet's water, including oceans, lakes, rivers, ground water, ice, and water vapor
2
This part of the Earth system is made of the mixture of gases that surround the planet
3
This part of the Earh system is made of the crust, mantle, and inner and outer core
4
This part of the Earth system is made of all living things, including plants, animals, and other organisms
5
It is a way of looking at the Earth
6
It means powerful or active
7
Geological changes ot Earth over time have left a record of its ...
8
The Earth's beginnings can be traced to almost 4.5 .... years ago
9
The portion of the Earth, about 1800 miles thick, between the crust and the inner and outer core.
10
When this happens in any of one of Earth's systems, it affects others
11
One of two kinds of Earth's resources, not grown but ... , also means to have removed from the Earth's interior
12
The Earth's own inner ... is one of two sources that powers Earth's processes
