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Questions and Answers
What is the primary source of water pollution according to the given information?
What is the primary source of water pollution according to the given information?
- Industrial waste
- Agricultural runoff
- Atmospheric deposition
- Domestic waste water and sewage (correct)
What happens to most of the sewage before it is discharged?
What happens to most of the sewage before it is discharged?
- It receives some treatment
- It receives advanced treatment
- It is recycled for other uses
- It receives no treatment (correct)
What type of materials are commonly found in domestic waste water and sewage?
What type of materials are commonly found in domestic waste water and sewage?
- Heavy metals
- Inorganic substances
- Common organic materials (correct)
- Toxic chemicals
What is a potential consequence of discharging untreated sewage into the environment?
What is a potential consequence of discharging untreated sewage into the environment?
Why is it important to address the issue of domestic waste water and sewage?
Why is it important to address the issue of domestic waste water and sewage?
What is a characteristic of the atomic nuclei of radioactive elements like uranium and radium?
What is a characteristic of the atomic nuclei of radioactive elements like uranium and radium?
During nuclear tests, where does the radioactive dust often reach?
During nuclear tests, where does the radioactive dust often reach?
What happens to the radioactive dust that encircles the globe during nuclear tests?
What happens to the radioactive dust that encircles the globe during nuclear tests?
What is a consequence of nuclear tests on the environment?
What is a consequence of nuclear tests on the environment?
Why are radioactive elements like uranium and radium a concern?
Why are radioactive elements like uranium and radium a concern?
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