1
1 example of point source pollution and 1 example of non-point pollution
multiple answers accepted
What does POPs stand for? What is one famous example?
Persistent Organic Pollutants / DDT
Bioaccumulation v.s biomagnification.
Accumulation within a single organism v.s moving up the food chain
Give 3 benefits of mangroves.
multiple answers possible.
Chemical that mimics, blocks or changes (alters) hormones.
What is MERS? SARS?
Middle Eastern Respiratory Syndrome.
Severe Acute Respiratory Syndrome.
5 types of heat transfer
Conduction, convection, forced convection, radiation and steam injection.
Name 1 disease transmitted by mosquitos, 1 by airborn droplets and 1 by contaminated water.
Zika, malaria or west nile, TB and cholera
What are the 4 different exposure pathways?
When the temperature increases, what happens to dissolved oxygen?
It decreases.
Describe the secondary process in a sewage treatment plant.
Biological -- Uses microorganisms to degrade and dissolve the organic matter that remains after the primary treatment (in an aeration tank).
Describe the tertiary process in a sewage treatment plant.
Mesothelioma is caused by exposure to....
asbestos
Which is more toxic, a substance with a higher LD50 or a lower LD50? Why?
Lower -- it takes less to be the lethal amount.
Describe the primary process in a sewage treatment plant.
Physical -- sifting through sediment by the use of screens, communitor and grit chamber.
The Clean Water Act does what?
Sets regulations of pollutant discharges into U.S waters and regulates the quality of surface waters.
Landfills release what?
Methane.
List 4 cons of dumping that isn't bioaccumulation or biomagnification.
Multiple answers accepted.
What are the 4 different types of wetlands?
Marshes, swamps, bogs and mangroves.
What is the connection between temperature and pathogens?
High temperatures mean shorter life spans of pathogens, but increases the population sizes and reproduction rates.
Draw the oxygen sag curve on the board.
Bonus points for labeling the 5 different zones.
*check*
How does mercury turn into methylmercury? What happens after it forms?
Anaerobic bacteria in aquatic environments. It then accumulates within the tissue of the fish.
Describe the process of eutrophication.
excess nutrients --> algal growth (algal blooms) --> dead algae sinks to bottom --> dead algae consumes oxygen --> low oxygen causes dead zones
What is the difference between composting and recycling?
Composting breaks down organic waste for nutrients while recycling turns old materials into new products.
What are the 4 ways POPs travel the world?
Evaporate, redeposit through precipitation, move through oceans and rivers and wind.