|
|
|
2
|
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
|
|
3
|
a resource which can be used repeatedly because it is replaced naturally
|
|
5
|
the weather conditions prevailing in an area in general or over a long period of time
|
|
6
|
the geological process in which sediments, soil and rocks are added to a landform through wind or ice
|
|
7
|
the blanket of gas on the surface of a planet
|
|
8
|
a theory explaining the structure of the earth's crust; plates that move slowly over the underlying mantle
|
|
9
|
(non-living) all of the Earth's water including surface water, and ground water
|
|
10
|
(living) the part of the land and sea in which life can exist
|
|
11
|
the solid part of the earth consisting of the crust and outer mantle
|
|
12
|
the breaking down of rocks, soil and minerals, as well as wood and ortificial materials through contact wth the earth's atmosphere, waters and biological organismsi
|
|
|
