Icse 9th class environment book


 

ICSE Class 9 Environment PDF Click to Download For Other E Books Click Here sir 10th book not able to download, please check to it. Download ICSE Environment Class 9th & 10th E-Book. July 11, Class- 10th – Download Compilations of Shankar IAS Environment. aracer.mobi - download ENVIRONMENTAL EDUCATION ICSE (CLASS 9) book online at best prices in india on aracer.mobi Read ENVIRONMENTAL EDUCATION.

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Icse 9th Class Environment Book

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Solutions to water shortages must be covered in terms of desalting the sea, towing water, water conservation and water harvesting.

Point pollution and non-point pollution; wastewater treatment plants, pathogens. The manner in which water pollution affects ecosystems; artificial eutrophication, thermal pollution. Cleaning up water pollution. The special problem of groundwater pollution; bottled water. How pollutants get into oceans; preventing ocean pollution; who owns the oceans? Air pollution due to - natural disasters; domestic combustion; air pollution on wheels; industrial air pollution.

ICSE Environmental Science Class 9 Syllabus - aracer.mobi

Major air pollutants - carbon monoxide, oxides of nitrogen, oxides of sulphur, ozone, lead, hydrocarbons, benzene and particulates -their sources, health effects and the environmental effects must be studied. Classification of air pollutants based on composition - gaseous pollutants and particulate matter grit, dust, smoke and lead oxide ; broader classification - primary and secondary pollutants.

Aerosols smog , sources — natural continental, oceanic and anthropogenic ; their effect on our lives. Impact of air pollution should be covered in terms of economic losses, lowered agricultural productivity and health problems.

Balance between photosynthesis and respiration; layers of the atmosphere.

ICSE Board Text Books

Not to be tested, for knowledge and understanding only. What determines climate latitude, atmospheric circulation patterns, ocean circulation patterns, local geography, seasonal changes in climate.

Ozone in the troposphere, ozone in the stratosphere; detection of the damage to the ozone layer; causes and consequences of ozone thinning; alternatives to CFCs.

Causes and consequences of rapid and progressive deforestation in the developing world - fuel crisis, competition for land, land exploited for cash and food crops, population pressures, increasing demand for timber to meet the needs of the developed world, grazing and its link with desertification. Causes and consequences of soil erosion and desertification - removal of vegetation, overgrazing, overculture, clearance of slopes, drought, heavy rainfall, bad farming practices.

Causes and consequences of land pollution - salinization, fertilizers, pesticides, toxic wastes, nuclear wastes, domestic wastes, ground water contamination. Dimensions of world poverty and gap between developed and developing countries using development indicators such as per-capita incomes, housing, levels of disease and nutrition.

ICSE Class 9 Subjects Syllabus Index

Growth of slums, growth of informal sector, pressure on civic amenities; degradation of human resources; growing sense of despair. Problems of housing, congestion, pollution, loss of agricultural land and provision of services to be covered. Monocultures, disappearance of traditional crop varieties, pollution risk due to use of pesticides and inorganic fertilizers; problems of irrigation — surface and ground water.

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Chemistry is the main subject and it affects the overall percentage of the students. Air a What causes air pollution?

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Air pollution due to - natural disasters; domestic combustion; air pollution on wheels; industrial air pollution. Major air pollutants - carbon monoxide, oxides of nitrogen, oxides of sulphur, ozone, lead, hydrocarbons, benzene and particulates -their sources, health effects and the environmental effects must be studied.

Classification of air pollutants based on composition - gaseous pollutants and particulate matter grit, dust, smoke and lead oxide ; broader classification - primary and secondary pollutants.

Aerosols smog , sources — natural continental, oceanic and anthropogenic ; their effect on our lives.

Air pollution episode - the Bhopal gas tragedy. Impact of air pollution should be covered in terms of economic losses, lowered agricultural productivity and health problems. Atmosphere and Climate a The atmosphere. Balance between photosynthesis and respiration; layers of the atmosphere.

ICSE Book – ICSE Class 9th Environment Book pdf Download Free

Not to be tested, for knowledge and understanding only. What determines climate latitude, atmospheric circulation patterns, ocean circulation patterns, local geography, seasonal changes in climate. Ozone in the troposphere, ozone in the stratosphere; detection of the damage to the ozone layer; causes and consequences of ozone thinning; alternatives to CFCs.

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