Term
|
Definition
material that has a usuable amount of metal in it |
|
|
Term
|
Definition
layers of sand, gravel, or bedrock that hold or move ground water |
|
|
Term
|
Definition
methos of plowing in which farmers plow with the shape of the land |
|
|
Term
|
Definition
farmland that is unused or allowed to rest for a season or a year. |
|
|
Term
|
Definition
a low growing plant used to prevent erosion of topsoil |
|
|
Term
|
Definition
all the Earth's water found in lakes, oceans, streams, rivers, soil, groundwater and air |
|
|
Term
|
Definition
able to be dented or dented |
|
|
Term
|
Definition
a solid substance found naturally in the earth's surface, has never been an organic substance |
|
|
Term
|
Definition
|
|
Term
|
Definition
the process of separating metal from the other materials in which it is found |
|
|
Term
|
Definition
|
|