Biology
Grade-7
Easy
Question
The water we drink in our homes is usually contaminated with suspended pollutants like_____________. (analyze)
- Clay
- Slit
- Sand
- All of these
Hint:
- Our drinking water contains so many impurities.
The correct answer is: All of these
All of the above
- The water we drink at our homes is usually contaminated by pollutants like clay, slit and sand particles.
- Our drinking water contains so many pollutants in it like clay, slit and sand particles.
- To clean or purify the water in some homes , filters are used like R.O.
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Water filtration is an/a _________________ that enables access to cleaner water with less costs of water purification. (understand)
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