What was in Flint's water that caused 12 people to die?
Responses
lead
lead
total triahalomethanes
total triahalomethanes
Legionella pneumophila
Legionella pneumophila
Escherichia coli
Escherichia coli
and other bacteria, including coliform and fecal bacteria. But the main issue was the high levels of lead in the water due to corroded lead pipes.
Which of the following are symptoms of lead poisoning in children? Select the three correct answers.(2 points)
Responses
learning difficulties
learning difficulties
breathing difficulty and asthma
breathing difficulty and asthma
abdominal pain and vomiting
abdominal pain and vomiting
rashes and skin irritation
rashes and skin irritation
developmental delays
developmental delays
learning difficulties, abdominal pain and vomiting, developmental delays.
What happened to change the water quality in Flint?(1 point)
Responses
The city added chlorine to the water supply, which removed harmful bacteria.
The city added chlorine to the water supply, which removed harmful bacteria.
The city switched its water sources from the Detroit water system to the Flint River.
The city switched its water sources from the Detroit water system to the Flint River.
The city built a new pipeline to connect to a nearby water system.
The city built a new pipeline to connect to a nearby water system.
The city switched its water source from the Flint River to the Detroit water system.
The city switched its water sources from the Detroit water system to the Flint River.
Which is true about distillation?(1 point)
Responses
It uses semipermeable membranes to filter out particles.
It uses semipermeable membranes to filter out particles.
It removes mainly large particulate contaminants which settle to the bottom.
It removes mainly large particulate contaminants which settle to the bottom.
It is one of the easiest and cheapest filtration solutions to implement.
It is one of the easiest and cheapest filtration solutions to implement.
It may leave some chemicals such as herbicides and pesticides in the water.