CBSE BoardEnglish MediumSTD 10ScienceOur Environment3 Marks
Question
State any three environmental problems caused by man.
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Answer
Environmental problems caused by man are as follows:
Human activity like building of industry, like sugar mill, chemical industry, emitted certain harmful effluent that pollute air and water and soil as well.
Cutting of trees led to the migration of certain animals and cause extinction of the species.
Primitive agricultural practice caused soil erosion.
Burning of fossil fuels lead to the depletion of ozone layer and may cause several health problems.
Hot water from nuclear thermal power plan affect the microorganisms living in the soil like bacteria, fungi, etc.
It lead to the changing of climate and weather 0f certain areas and mostly the rise of temperature of the earth which is a major cause of rising of sea level due to the melting of polar ice.
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