Which of the following causes the major contamination in water?

Question

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Answer 1

Intermittent incidents of arsenic pollution in ground water effects health of people, as arsenic poisoning.
The polluted water is mostly supplied from rivers. Ground water comes from deep tube wells, which are few in number. Because of the low quantity of deep tube wells, the risk of arsenic poisoning is comparatively high.

Answer 2

Intermittent incidents of arsenic pollution in ground water effects health of people, as arsenic poisoning.
The polluted water is mostly supplied from rivers. Ground water comes from deep tube wells, which are few in number. Because of the low quantity of deep tube wells, the risk of arsenic poisoning is comparatively high.

Which of the following causes the major contamination in water?

Fish

$S O_{2}$

Salts of arsenic

Sewage

Eutrophication is caused by:

If water is polluted, then which of the following change will not be observed?

What are the major causes of water pollution? Explain.

The concentration of sodium fluoride amongst the following that may cause fluorosis is:

What is DDT among the following?

Which of the following causes the major contamination in water?

Fish

SO2​

Salts of arsenic

Sewage

Eutrophication is caused by:

If water is polluted, then which of the following change will not be observed?

What are the major causes of water pollution? Explain.

The concentration of sodium fluoride amongst the following that may cause fluorosis is:

What is DDT among the following?

$S O_{2}$