Nutrition and fertilizers
Mineral requirements of less than 100 mg/day.
What is trace elements?
The color of the litmus paper in a base.
What is blue?
Dissolved oxygen in water should be high or low to support life?
What is high?
This compound causes green house gases.
What is carbon dioxide.?
The term used to suggest that one exposure to a chemical can cause serious effects/death to an organism.
What is acute toxicity?
Goitre is the result of a lack of this element.
What is iodine?
A technology used by industry to remove SO2 gases from their emissions.
What is a scrubber?
Two tests that water conservationists would perform to determine water quality.
What is acidity, dissolved oxygen, nitrate and/or phosphorous levels, turbidity, movement of water, etc?
Solution to reduce the effects of acidity in lakes.
What is lime or calcium carbonate? (A Base)
The 3 R's are reduce (most important), reuse and recycle? What is the 4th R?
What is recover?
This part of the plant are able to produce mineral concentrations up to 10 000 times due to increased surface area.
What are root hairs?
The term when an acid is added to a base to create water and a salt.
What is neutralization?
Insects are sensitive to changes in pH in the water.
What is a biological indicator?
Name two of the four types of organic molecules.
What is carbohydrates, lipids (fats), proteins (amino acids) and vitamins?
The naturally occurring bacteria, botulinum toxin A, has an _____________ of 0.00000003.
What is LD50?
The 3 #'s on a bag of fertilizers represent these three elements (in order).
N P K (nitrogen, phosphorus, potassium)
When a solution is a pH of 2, it is called...
What is acidic?
Term to describe the accumulation of toxic pollutants through the food chain in water.
What is biomagnification?
The name of this pesticide used during WWII to control insects that transmit disease.
What is DDT?
The name of these winds blow pollutants to the Arctic and lead to the bioaccumulation of toxic chemicals in people and animals.
What is circumpolar winds?
Phosphorous is necessary for this to happen in plants.
What is seed germination and plant growth?
pH 3 is how many times more acidic than pH 5?
What is 100x?
This term describes the process of how pollution decreases the amount of dissolved oxygen in water due to bacteria breaking it down.
What is oxygen sag?
This is a benefit of using COBRA (copper oxide beads) in industrial factories to remove SO2 gases instead of traditional scrubbers.
What is reusable, more efficient, cheaper (in the long run), less waste ends up in the landfill...etc?
These types of substances can be broken down by bacteria, fungi or other simple organisms into CO2 and H2O.
What is biodegradable?