How sewage cause water pollution? -Biology

How sewage cause water pollution? -Biology
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Last Answer : (1) Paints Explanation: Heavy metals (cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, zinc, molybdenum, tin) are among the main pollutants. Industrial paints are loaded with ... these has severe toxic effects on living beings, and tend to accumulate in aquatic food chains.

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Description : Biochemical Oxygen Demand (BOD) may not be a  good index for pollution for water bodies receiving  effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Last Answer : c) petroleum industry

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

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Last Answer : (c) petroleum industry

Which of the following is the largest source of water pollution in major rivers of India? (A) Untreated sewage (B) Agriculture run-off (C) Unregulated small scale industries (D) Religious practices

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Description : What did poor water and sewage systems cause in the late 1800s?

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The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known A. Bio-Chemical Oxygen Demand (B.O.D.) B. Dissolved Oxygen (D.O.) C. Chemical Oxygen Demand (C.O.D.) D. None of these

Description : The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known A. Bio-Chemical Oxygen Demand (B.O.D.) B. Dissolved Oxygen (D.O.) C. Chemical Oxygen Demand (C.O.D.) D. None of these

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If cutting trees down to build houses and buildings cause pollution, what do we live in?

Description : If cutting trees down to build houses and buildings cause pollution, what do we live in?

Last Answer : it doesn't cause pollution, trees are a renewable resource what part of cutting trees would possibly cause pollution. btw, without trees we would other problems besides nowhere to live: no toilet ... mention all the chemical products and byproducts we get from them. please get your facts straight.

Mini steel plants cause less pollution than integrated steel plants. -SST 10th

Description : Mini steel plants cause less pollution than integrated steel plants. -SST 10th

Last Answer : Mini steel plants work through electric furnaces causing less pollution whereas the integrated steel plant use blast furnace where cake coal are fed continuously to melt the iron ore, causing huge pollution.

Can noise pollution cause brain damage ?

Description : Can noise pollution cause brain damage ?

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How does the recycling industry cause air pollution ?

Description : How does the recycling industry cause air pollution ?

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Last Answer : Need answer

What substances cause indoor pollution?

Description : What substances cause indoor pollution?

Last Answer : What is the answer ?

Do fossil fuels cause air pollution How?

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Do landfills cause pollution?

Description : Do landfills cause pollution?

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The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4

Description : The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4

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‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

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The most common cause of pollution of air is – (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Smoke

Description : The most common cause of pollution of air is – (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Smoke

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Cause of Malaria is ----? A. Dirty environment B. Pollution C. Mosquito (Answer) D. None of above

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The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

Description : The supersonic jets cause pollution by the thinning of (a) O2 layer (b) O3 layer (c) CO2 layer (d) SO2 layer.

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(a) create worse situation (b) emit bad smell and cause pollution (c) give foul smell and lead to accidents (d) create air pollution

Description : (a) create worse situation (b) emit bad smell and cause pollution (c) give foul smell and lead to accidents (d) create air pollution

Last Answer : (b) emit bad smell and cause pollution

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Description : Which is the main cause of cholera? a. Poor sanitation b. Floods c. Air pollution d. Poor nutrition

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Explain how fossil fuel cause air pollution.

Description : Explain how fossil fuel cause air pollution.

Last Answer : Ans: When fossil fuels are burnt they produce harmful substances that cause air pollution and, in turn harm the environment.

The main cause of air pollution in big cities is

Description : The main cause of air pollution in big cities is

Last Answer : Suspended particle

High concentration of which gas will not cause air pollution ? a) oxygen b)nitrogen dioxide c)carbon dioxide d)carbon monoxide

Description : High concentration of which gas will not cause air pollution ? a) oxygen b)nitrogen dioxide c)carbon dioxide d)carbon monoxide

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It is absurd to say that there can be Options: A) A pollution due to noise B) Education causes pollution C) Transport vehicles cause pollution D) All of the above

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Industries near the towns cause Options: A) Pollution B) Finished material C) Security D) Employment

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‘Why excessive heating and repeated use of cooking oil are most undesirable ? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable ? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer : Carcinogenic substances like benzpyrene are produced

Why excessive heating and repeated use of cooking oil is most undesirable? (1) The oil vapours can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : Why excessive heating and repeated use of cooking oil is most undesirable? (1) The oil vapours can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer :  Carcinogenic substances like benzpyrene are produced

The most common cause of pollution of air is (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Smoke

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Last Answer :  Sulphur dioxide

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