Admin Table of Contents
What are the unwanted substances in air and water known as?
Dear student, They are known as Pollutants.
What are the unwanted elements in the air?
Criteria pollutants
| pollutant | common sources |
|---|---|
| carbon monoxide (CO) | automobile emissions, fires, industrial processes |
| nitrogen oxides (NO and NO2) | automobile emissions, electricity generation, industrial processes |
| sulfur dioxide (SO2) | electricity generation, fossil-fuel combustion, industrial processes, automobile emissions |
What contributes in water and air pollution?
Air pollution is caused by release of particulates, biological molecules or harmful gases into atmosphere, which causes death to humans and damage to living organisms like food crops. Water pollution occurs by the contamination of water bodies like lakes, rivers, oceans.
What are unwanted harmful substance known as?
Answer: Toxic waste is any unwanted material in all forms that can cause harm (e.g. by being inhaled, swallowed, or absorbed through the skin). Disposing of such waste is a major public health issue..
What we call the undesirable substances mixed with water give example?
The substances such as sewage, toxic chemicals, slit, agricultural chemical etc. that pollute water are called water pollutants.
What are some other causes of water pollution?
Causes of Water Pollution
- Rapid Urban Development.
- Improper Sewage Disposal.
- Fertilizer Run-Off.
- Oil Spills.
- Chemical Waste Dumping.
- Radioactive Waste Discharge.
When air is contaminated by unwanted substances which have a harmful effect on both the living and the non-living it is referred to as?
When air is contaminated by unwanted substances which have a harmful effect on both the living and the non-living, it is referred to as air pollution. 18.2 How does Air Get Polluted? The substances which contaminate the air are called air pollutants.
What is the main pollutant which causes air and water pollution?
The main pollutant which causes air pollution is harmful gases released into the atmosphere. Water pollution is caused due to the release of waste matter into the water bodies. The main pollutant which causes water pollution is wastewater.
When is air polluted?
When this air is contaminated by unwanted substances which have harmful effect on both living and non-living things like nitrogen oxide, sulphur oxide, carbon monoxide, etc., is said to be polluted. Question 6. Explain circumstances leading to acid rain.
How do people pollute the water?
People dispose of garbage in the water. Many industries discharge their harmful chemicals directly into rivers and streams. Chemical fertilisers, pesticides and weedicides used in agricultural practices get dissolve in water and are washed away into water bodies from the fields.
How does air pollution cause acid rain?
Acid rain is in fact water pollution from air pollution. As air pollution combines the acidic pollutants released into the atmosphere with water vapor, it results in acid rain. The increased nutrient levels in bodies of water are known as eutrophication.