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100
A good how shower
how do you get rid of swimmer's itch?
100
To keep put smaller fish, algae, etc.
What is a purpose to finer screens of a water treatment plant?
100
the Mid-Range Ocean extends 60,000 km
How long can the Mid-Range Ocean extend
100
Are smaller river and streams joining the river
What are tributaries?
200
Coliform Bacteria
What bacteria is associated with beach closures?
200
To kill microorganisms in water
Why do we add chlorine in water
200
an underwater volcano
What is a guyot
200
Yes it does
Does the red river have a flood plain?
300
Sulphric and Nitric acid
Name 2 types of acid precipitation
300
Are made by tiny chemicals like alum
What are floc?
300
precipitation, ground water, inlets
Name 3 ways that water can enter a lake
300
to Hudson's Bay, north
which direction does the red river flow out of Winnipeg?
400
Can harm plants growth, and dissolves rock
What are the effects of acid precipitation
400
To a river or lake
Where does the water from the storm sewers go?
400
The Challengers Deep, extending 11 km below the ocean
What is the worlds deepest point
400
An area surrounded by highlands
What is a watershed?