If untreated sewage is discharged into rivers and seas, it will ____ the water resources.
True
False
heat
cool
If the untreated sewage is discharged into rivers and seas, it will pollute the water resources.
If untreated sewage is discharged into rivers and seas, it will clean the water resources.
If untreated sewage is discharged into rivers and seas, it will ____ these water resources.
If untreated sewage is discharged into rivers and seas, it will automatically be cleaned.
If untreated sewage is discharged into water bodies it will clean the water resources.
Untreated sewage is discharged into the rivers. How will it affect the population of aquatic animals in the river?