write t for true and f for false
1.the water released by homes factories and industries is known as sewage
2.sewage contains only gaseous waste
3.polluted water can cause diseases like cholera
4.phosphorus is an organic impurity
5.wastewaters harmful to aquatic life if deposed off in river without treatment
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Verified answer
Answer:
1. T
2. F
3. T
4. F
5. T
Explanation:
2. sewage contains liquid and solid waste also
3. It is inorganic impurity
Answer:
1.False 2.False 3.True 4.False 5.True