A rarely found resource in natural sources of drinking water.
Lead
This is a compound that is naturally found in the Earth's crust and can dissolve in groundwater.
Arsenic
What animal is most known for carrying mercury.
Fish
When was the first generation of synthetic pesticides developed?
WWII
A group of harmful chemicals used for rocket fuel.
Perchlorates
[DAILY DOUBLE]
"These" types of organisms are the most sensitive to lead.
Fetuses and/or Infants
Name 1 way arsenic can be removed from drinking water.
Fine Membrane Filtration, Distillation, & Reserve Osmosis
This metal is naturally occurring in concentrations of water due to human activities.
Mercury
Most pesticides do not target _____ species of organisms, but generally kill a ____ _____ of related organisms.
Particular
Wide Variety
What can perchlorates do to the soil?
Perchlorates can sometimes contaminate the soil in regions of the world where military rockets are used.
Water Filtration Systems
Where are concentrations of Arsenic the highest
Midwest & West
What fraction of all mercury produced anthropogenically comes from the burning of fossil fuels, especially coal?
2/3
This insecticide was banned for contaminating fish, then birds, and then humans.
DDT (dichlorodiphenyltrichloroethane(wow))
70%
What type of guideline was made for construction to implement lead-free pipes, fittings, & solders.
Federal Guideline
What federal area lowered the ppb (parts per notation) of arsenic in drinking water
EPA
This type of mercury damages the central nervous system in young children, & is made from bacteria in wetlands & lakes.
Methylmercury
[DAILY DOUBLE]
____ ________ are additives that make a pesticide more effective.
Inert Ingredients
How can humans get exposure to perchlorates?
Consumption of contaminated food or water.
Name 2 materials containing lead.
lead-lined pipes, brass fittings, solder
Currently, how many people in this region drink arsenic-contaminated water?
~ 140 million
[DAILY DOUBLE]
Name 3 mercury sources from the book.
Incineration of garbage, hazardous waste, medical & dental supplies, limestone from cement manufacturing, petroleum exploration.
Name 2 types of ____icides, & list what atleast one of them does.
pesticide (kills pests), herbicide (kills herbs), insecticide (kills insects), fungicide (kills fungi)
quite simple
Affect the thyroid gland, reduce production of hormones that make you live.