Atmosphere
Amount of nitrogen in the atmosphere
What is 78%
Define a watershed and name two in NL and Lab
What is water drains to a common area
Humber and Churchill
Define an ore
What is rock that contains minerals that can be extracted through mining and refined for use.
Creates a large hole
What is Open Pitt Mining
Explain how acid rain is formed.
What is
Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids.
Explain greenhouse effect
What is:
The problem caused by increased quantities of gases such as carbon dioxide in the air. These gases trap the heat from the sun, and cause a gradual rise in the temperature of the Earth's atmosphere.
Any geological formation containing or conducting ground water
What is an aquifier
Give an example of dry and wet milling
What is
dry - static, electromagnet
wet - flotation, gravity, heap leaching
Winding tunnel
What is underground mining
5 layers of the atmosphere
troposphere, stratosphere, mesophere, thermopshere, exosphere
The process by which certain chemicals, most notably persistent organic pollutants (POPs), are transported from warmer to colder regions of the Earth, particularly the poles and mountain tops.
What is the grasshopper effect
Disease causing organisms
What are pathogens
Name 3 economic impacts of mining
What is
More money coming into the local and provincial economy
Increased employment, both from mining jobs and spin-off jobs
Improved salaries.
Increased secondary services in the area.
Increase in the cost of living in the area
Uses water
What is stratopshere
Name 2 effects of climate change
What are:
Changes in weather patterns in the world
Changes in rainfall patterns
Sea levels rise
Potential droughts
Habitat loss
Heat stress
Four steps to mitigating marine oil pollution
What are Preparedness, containment, Recovery, disposal
One way to deal with mining waste
what is heap leaching, containment ponds, tailing piles
Uses pictures to detect minerals
What is Satellite Imaging
The number of active mines in NL and Lab
What is 5
Difference between Bioaccumulation and Biomagnification
What is:
Build up or increase in concentration of a substance within an organism.
The build up or increase in concentration of a substance through the trophic levels of a food chain.
Sources of marine debris
What are
Shipping Traffic
Land litter carried in rivers and streams
Direct dumping of municipal sewage
Disposal of garbage offshore (municipal garbage)
Debris from fishing activities (plastic and lost nets (ghost nets))
Debris from offshore industry (drilling mud)
Another name for blast furnances
What is Pyromet
Types of Fresh water ecosystems (hint: there are 5)
What are
Pond/lakes
Rivers/Streams
Aquifier
Wtetlands
Estuaries