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5Clean and odorless water is safe to use.
Washing clothes near water sources can pollute water.
Water pollution makes water clean and healthy.
Sewage mixed into rivers causes water pollution.
Bathing cattle near water sources helps keep water clean.
Clean water has no smell and no colour.
Percentage: 0%
What is water pollution?
Which activity pollutes water?
Polluted water may look:
Which of the following causes river pollution?
What should we do to reduce water pollution?
Unwanted change in the colour, smell and taste of water is called:
Which of the following can pollute river water?
Which activity causes water pollution near water sources?
Unwanted changes in water are called water ______.
Polluted water may have a bad ______.
Sewage and factory waste pollute ______ sources.
Washing clothes near rivers causes water ______.
Clean water is usually ______ and odorless.