Water Quality
“Federal authorities estimate that the headwaters of 40 percent of Western rivers are tainted with toxic discharge from _________
a. abandoned mines
b. eroding minerals
c. urban runoff
Abandoned Mines
At Least ____People Die from Air Pollution-Related Diseases
a. 1 in 10
b. 1 in 20
c. 1 in 30
1 in 10 people die from air pollution related diseases
...a large percentage of food poisoning cases could be eliminated if people _______ when preparing and handling food.
a. used the proper equipment
b. used only local foods
c. washed their hands
washed their hands
Is there anything that is not a poison?
no! everything can kill you it is about dose!
The annual discharge of sewage and industrial waste in the Yangtze River has reached about______
a. 5 billion tons
b. 15 billion tons
c. 25 billion tons
d. 35 billion tons
25 billion tons
Does unsafe water or unsafe air kill more people in Africa?
Unsafe Air.
More severe cases can spread to other parts of the body leading to sepsis or meningitis... and in recent years, soft cheese, celery, sprouts, cantaloupe, and unpasteurized dairy products have been linked with outbreaks. what am I?
Listeria
the ____is a test that finds an average dose required to kill half of the animals being tested (normally rats in human toxicity).
a MLD
b LD50
c EC 50
LD50
“______ from agriculture is the most common chemical contaminant in the world’s groundwater aquifers.”
a. Phosphate
b. Nitrate
c. dirt
Nitrate
Air pollution is the _____ largest threat to human health
a. 14th
b. 10th
c. 3rd
d. 4th
Air pollution is the 4th largest threat to human health
The CDC says it is OK to eat some ______, but not all of it. ______harvested in six counties in the growing regions of central and northern California have been linked to the latest multistate outbreak. (of e. coli)
romaine lettuce
What are the three main ways toxins enter our bodies
Inhalation
ingestion
dermal
Approximately ____ of the lakes in America are too polluted for fishing, aquatic life, or swimming
a.40%
b.50%
c. 60%
40%
10 of the World’s 15 Most Polluted Cities are in _____
10 of the World’s 15 Most Polluted Cities are in India
Blue are violets
red are roses
don't eat undercooked pork
or you'll get.....
Trichinosis
This naturally occurring element will expose you to not only chemical effects but radiation as well. Linked to bone cancer and kidney failure watch out for _______
Tens of millions of people in Bangladesh have been exposed to poisonous levels of what from contaminated groundwater?
arsenic
how many of the World’s 100 Biggest Cities Are Able to Meet WHO’s Updated Guidelines
None.
What is stomach flu?
Norovirus!
The _____ is a test, to see if a substance is toxic.
a. toxin test
b. Spines Test
c. Draize Test
Draize test