Water Pollution

Sewage treatment plants can be sources for all of the following EXCEPT

• plant nutrients
• heat
• infectious agents
• pharmaceuticals 

Polluted water cannot cause infectious disease in humans.

• True

• False

Water Pollution Effects:

• Humans

• Animals and their ecosystems

• Food Sources

• Medical Supplies

• All of the above

Algal blooms choke out other plants and decrease the amount of oxygen available for living organisms.

• True

• False

Which of the following would be considered a non-point source pollution:

• A pipe leak
• Fertilizer runoff
• A gas leak from an underground tank

Humans use fresh water primarily for: 

• mining and industrial process
• electrical production 
• agricultural irrigation 
• global nuclear power energy production 

Which is an effect of chlorine in water?

• kills the microorganisms
• improves the taste
• aerates the water

Which of the following terms describes a substance that is sprayed on plants or crops to kill bugs?

• Permeable
• Eutrophication
• Fertilizer
• Pesticide

Toxins often appear at higher concentrations in higher trophic levels due to...

• bioaccumulation
• biomagnification
• bionicle
• bioengineering

Boiling water and collecting steam to isolate fresh water from salt water is best known as... 

• water purification
• water pollution
• groundwater recharging
• desalination