The two photos below show two different ways that mining contaminates the environment. Compare and contrast the specific ways that mining affects the environment in each case. 
A 
B
Definitions:
Pebbles
Small, smooth, rounded stones that are often found on beaches and at the bottoms of rivers.
Ground Line
In paintings and reliefs, a painted or carved baseline on which figures appear to stand.
Engraved Line
A technique in printmaking and drawing where lines are incised onto a surface with a sharp tool, often used for detail and texture.
Megalithic Architecture
Structures made of large stones without the use of mortar or concrete, famous examples include Stonehenge and various dolmens, menhirs, and cromlechs across Europe.
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