What is the primary source of energy for metabolism?
Carbohydrates
What is biomagnification?
Accumulation in a organisms body moving from one level of the food chain to the next.
What are two types of landfills?
Sanitary and Secure
What is point source pollution?
Drain pipes and smokestacks that release pollutants directly into the environment.
What is a pollutant
Any material or form of energy that will cause harm to a living organism.
What is the PH of human blood?
7.4
Carbohydrates, Proteins, Lipids and Vitamins are all examples of.
organic (carbon containing) nutrients
What is Leachate?
The liquid that results as wastes decomposes and rain water filters down through the landfill.
Wastes that can be broken down into simple non-polluting compounds by naturally occurring chemical reactions, or bacterial action are called what?
Non-persistant pollutants
Serious symptoms occur after only one exposure to the this type of toxic chemical.
Acute Toxicity
In the stratoshpere, ultraviolet light reacts with CFC molecules to produce chloride ions. What do these chloride ions do?
act as a catalyst to breakdown the ozone (03) gas to normal oxygen (02).
What is the device called that uses a sorbent (a substance that can absorb , or capture oxides)
Scrubbers.
What is the difference between the liners in Sanitary and Secure landfills?
One is plastic liner and one is clay
A Organism that typically are found in either clean or polluted waters can be called what?
Biological indicators
Explain what lethal dose 50 is.
LD50 refers to a dose that will kill 50% of the population to which it is applied to.
21-7-7 corresponds to what nutrient content?
Nitrogen, Phosphorus and potassium
oils and some dairy products are used as a storage of chemical energy and can be classified as what type of organic molecule?
Lipids (Fats)
What are the 5 classification for a material to be considered toxic or hazardous waste?
Poisonous, toxic, corrosive, flammable and explosive
The most useful indicators of water quality are what type of organism?
Macroinvertebrates
PH is short for what?
Power of Hydrogen
What element is a crucial part of red blood cells that regulate oxygen transport
Iron
What are 3 types of pesticides?
Herbicides, Insecticides and fungicides
Mustard grass being used to remove selenium metal from contaminated soil is an example of ________
Bioremediation
After point source pollution into a river what are the three stages a water way must go through until it returns to a clean river?
clean zone -> decomposition zone (oxygen sag)-> septic zone (oxygen sag) ->recovery zone (oxygen recovery) -> clean zone
Macromineral can also be classified as what type of element
Trace element