A mineral the body requires iin the amount of less than 100 mg/day.
What is trace element?
100
the number that represents neutral on the pH scale?
What is 7?
100
Wastes that can be easily broken down by naturally occuring chemical reactions.
What is non persistent pollutant?
100
What is it called when calcium carbonate is added to the environment to neutralize it? If you can provide an example of how this naturally occuring in our environment you will receive an additional 100 points.
What is Liming?
Mountains have calcium carbonate in it and when rain falls it neutralizes it.
100
Oxides such as carbon, nitrogen and sulfer that is burned off in factories creates this...
What is acid rain?
200
A mineral the body requires in the amount of 100 mg/day or more.
What is macromineral?
200
What will happen to bromothymyl blue when it is placed in a basic solution? Acidic solution?
Basic = Stays blue
Acidic = turns yellow
200
Excessive amounts of nitrat in the water will produce this specific dense growth.
What is algal bloom?
200
What is the metal within a converter that allows for oxidation to occur in a quicker manner?
What are catalysts?
200
Lead and mercury are examples of this and are very harmful to the environment.
What are heavy metals?
300
A protein molecule that regulates chemical reactions in living things.
What is an enzyme?
300
Substances that have a bitter taste are called
What are bases?
300
The best biological indicator is known as these types of organisms...
What is macroinvertebrates?
300
What is the technology called where calcium oxide acts as a sorbent to remove harmful emissions?
What is scrubbers?
300
Why is calcium an important element in the human body?
stronger bones and teeth
400
What organic substance is the energy used when metabolizing?
What is carbohydrates?
400
Litmus paper that is red will turn what colour when placed in an acidic solution?
What is red?
400
Trout, perch and bass would be found in the clean zone, decomposition zone, septic zone or recovery zone?
What is clean zone... lots of oxygen is needed in order for these fish to survive.
400
How much oxygen is in poor water quality?
What is 0-4 ppm oxygen?
400
What element is a crucial part of red blood cells and helps to transport oxygen? Iron or zinc?
What is iron?
500
All organic compounds contain what element?
What is caarbon?
500
What process occurs when you have high acidity in your stomach (heartburn) and you take a tums or pepto bismol?
neutralization
500
Pollutants that enter the environment through specific locations. These specific locations are called...
What are point sources?
500
When you are solving to find out how many ppm of chemical or oxygen is in a solution... what denominator are you trying to find?