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The ________ chemical waste is dumped into the river.
poisonous
Do you know what _________ cause air pollution?
pollutants
The dead fish are ________ in the water.
floating
Don't drink that water. It's ____________
contaminated
The acid rain has caused d__________ to the trees in this area.
damage
If we ________ the air, more people will have breathing problems.
pollute
According to scientific research, tiny species may help clean_____ pollution.
radioactive
Many people have received medical__________ because of the disease.
treatment
The _______in air pollution was dramatic last year.
reduction
Water pollution is the________ of bodies of water such as lakes, rivers, oceans, and groundwater
contamination
Water pollution can have many different _________
causes
Factories dump ________ waste into lakes and rivers
industrial
Farms using pesticides to kill insects and __________ to kill weeds can also lead to water pollution
herbicides
These factors cause ___________
‘point source' pollution
__________ from storm water and the atmosphere result in ‘non-point source' pollution.
pollutants
In many poor nations, there are frequent outbreaks of _____ and other diseases because of people drinking untreated water.
cholera
