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Water Quality Quiz #3

True/False
Indicate whether the statement is true or false.
 

 1. 

Aquatic animals often confuse floating plastic for food, thus causing them harm and possibly killing them when they ingest it.
 

 2. 

Plants that grow in wetlands are more sensitive to toxic elements than other plants because they have not evolved to deal with the toxic materials that build up in drier lands.
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 3. 

Which of the following are considered ‘heavy metals’ when referring to water pollution?
 a.
barium
 e.
steel
 b.
iron
 f.
nickel
 c.
cadmium
 g.
mercury
 d.
lead
 h.
arsenic
 

Numeric Response
 

 4. 

Plastics are a real problem as a water pollutant as it is estimated that it will take _________ years for plastics to totally decompose in water.

 

Completion
Complete each statement.
 

 5. 

The accumulation of toxins, such as heavy metals, in organisms as they move up the food chain is known as _____________________.
 

 

 6. 

An underground bed or layer of soil, gravel or porous stone that yields water is known as a(n) ______________.
 

 

 7. 

Water containing large amounts of salt that is found deep in the Earth that is left over from prehistoric oceans is known as _______________ and it is often a byproduct of the oil and gas industries.
 

 

 8. 

______  ____________________  ____________________ is water pollution that does not come from a specific point.
 

 

Essay
 

 9. 

What are the two realistic ways to reduce all solid waste, specifically plastic, in water? Be detailed.
 



 
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