Contaminate pathways
How can contaminates from human activity travel thousands of miles away travel to the arctic? Through what?
the atmosphere, oceans and rivers
When mercury vapour combines with bacteria in an aquatic environment it is transformed into what?
methyl mercury
POP's are?
Persistent organic pollutants
this career involves, labratory work to help monitor marine evironments.
environmental labratory technician
Toxins accumulated in marine animals they ate.
This metal is dangerous because it takes 4 to 38 years to be excreted. What metal is it?
Cadmium
How are contaminants carried by animals that do not originate in the arctic?
through migration
Contaminates from other parts of the world travel through the atmosphere to the arctic because of the ...
Grasshopper effect
April 26, 1986 the worst nuclear power plant disaster happened at what nuclear power plant and where?
Chernobyl, Ukraine
How fast and how far a contaminate travels through the atmosphere depends on how ________ it is.
volatile
The time it takes for half of a substance in a living organism to be eliminated by normal biological processes is called ....
Biological half-life
Contaminants become trapped in marine or land ice caps releasing chemicals over the years causing increased contamination. This is called?
the chemical sink
Like mercury, this metal accumulates in soft tissue and bone over time and can cause blood and brain disorders.
lead