Most of Minnesota's groundwater is free of disease-causing organisms, because water is filtered by upper layers of soil and rock as it soaks into the ground.
(Most of Minnesota's groundwater; is; free of disease-causing organisms; because water is filtered by upper layers of soil and rock as it soaks into the ground) (water; is filtered; by upper layers of soil and rock; T:as it soaks into the ground) (it; soaks; into the ground)
Most of Minnesota's groundwater water it
is is filtered soaks
free of disease-causing organisms because water is filtered by upper layers of soil and rock as it soaks into the ground
by upper layers of soil and rock T:as it soaks into the ground
into the ground