Contaminants
The most common organisms in the water.
What are bacteria, protozoa, algae (& fish)?
Pollutions which occur when harmful substances pollute different water bodies.
What is water contamination?
Agricultural, radioactive, wastewater & oil polluton are...
What are pollution types?
Water existance forms.
What are liquid, gas & solid?
The saltiest lake on Earth.
What is the Dead Sea?
This contamination type includes nitrogen, bleach, salts, pesticides, metals, toxins produced by bacteria, and human or animal drugs.
What is chemical contamination?
Excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life.
What is eutrofication?
Name at least 3 ways how to reduce water contamination.
What are recycling, beach cleanups, single-use plastic reducing, don't throw trash in water?
Elements in water.
What are nitrogen and oxygen?
The main reason for water contamination.
What is wastewater/sewage?
When radiological contaminants pollute a water body.
What is radiological contamination?
These elements cause eutrofication. (3)
What are phosphorus, silicon & nitrogen?
Name three more known gases that are dissolved in water.
What is nitrogen, oxygen & carbon dioxide?
The presentage of water on Earth.
What is 70%?
The largest and the deepest ocean on Earth.
What is The Pacific Ocean?
Anything that comes into contact with feces from infected humans or animals can become contaminated with this parasite.
What is Giardia parasite?
Salt water & fresh water mixed together.
What is brackish water?
The main cause of this is industrial burning of coal and other fossil fuels, the waste gases from which contain sulphur and nitrogen oxides which combine with atmospheric water to form acids.
What is acid rain?
The percentage of the world's wastewater is dumped back into the environment, polluting rivers, lakes, and oceans.
What is 80%?
The most polluted lake.
What is Lake Karachay?
Organic material that falls into the water, like leaves and even animals.
What is physical contamination?
This type of water pollution comes from discrete conveyances and alters the chemical, biological, and physical characteristics of water.
What is point-source pollution?
The salinity of seawater in oceans.
What is 3,5%?
The presentage of freshwater (drinkable).
What is 2,5%?
The longest river in Europe.
What is the Volga River?