This kind of outbreak causes several effects on humans, including decrease in tourism, increase of skin sores and nausea, and an economic loss from decreased seafood sales.
What is Pfiesteria?
100
Whenever humans engage in trade, it is known as this.
What is a market?
100
Coal is a type of this.
What is a non-renewable resource?
100
This is the how close a measured value is to the actual value.
What is accuracy?
200
According to the law of conservation of matter, matter cannot be destroyed and after a chemical reaction, these remain.
What are the original atoms?
200
Problems developed at Mono Lake as a consequence of this.
What is the redirection of water that fed the lake for use by Los Angeles?
200
Attempting to assign monetary benefits of items that typically may only have intrinsic interest is a component of ecologic economics is called this.
What is valuation?
200
Most energy on Earth comes from this.
What is the Sun?
200
This author wrote Silent Spring, which was partially responsible for the creation of Earth Day.
Who is Rachel Carson?
300
Elements that gain or lose electrons to form compounds create these.
What are ionic bonds?
300
This is the study of how humans allocate scarce resources.
What is economics?
300
A timber company harvests trees by using a process of selective cutting. They subsequently replant areas disturbed by logging roads to minimize soil erosion. These actions are an example of this.
What is stewardship?
300
How many kWh are equal to 14,500 kilocalories?
What is 16.85?
400
On the pH scale, this number is neutral.
What is 7?
400
The health of frog populations is used as an indicator of environmental health because frogs are this.
What is amphibious?
400
A disproportionate number of minorities living near landfills is an example of this.
What is environmental injustice?
400
Living in an environmentally sustainable way necessitates this.
What is sensitivity to the needs of future generations?
400
The rate of radioactive decay is measured in this.
What are half-lives?
500
These do not mix with water.
What are lipids?
500
Mono Lake is one of the largest sources of this in the U.S.
What is windblown dust?
500
This is described by the following:
As GDP rises, environmental degradation increases, followed by a subsequent decrease.
What is the Kuznets curve?
500
If land is cleared at a rate of 456 hectares per week, approximately this many acres per year are being cleared.