What is the definition of pollution in simple words?
Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
What are the four types of pollution?
The major kinds of pollution, usually classified by environment, are air pollution, water pollution, and land pollution. Modern society is also concerned about specific types of pollutants, such as noise pollution, light pollution, and plastic pollution.
What is pollution for Class 2nd?
“Pollution is the introduction of substances (or energy) that cause adverse changes in the environment and living entities .”
What is LKG class pollution?
Pollution is anything that makes the earth dirty and unhealthy. Land, air, and water are all affected by pollution. Pollution takes up space on our land. Many of the things people use every day come in packages, like food, games, school supplies, and electronics.
What is pollution for primary school?
What is pollution and what causes pollution?
Pollution happens when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances. There are three main forms of pollution: air, water, and land. Wildfires, volcanoes, and industrial chemicals cause some air pollution. But most air pollution comes from burning fossil fuels.
What is pollution for kids?
Here’s everything you need to know about pollution along with interesting facts kids of all ages will enjoy. What is Pollution? The contamination of air, water or soil due to natural occurrences or human activities like oil spills and the dumping of waste in water bodies is known as pollution.
What are the three main forms of pollution?
There are three main forms of pollution: air, water, and land. Wildfires, volcanoes, and industrial chemicals cause some air pollution. But most air pollution comes from burning fossil fuels.
What is air pollution and why is it harmful?
But besides oxygen and other elements like nitrogen, air also contains pollutants, which can be harmful. Air pollution is a problem that affects life all over the world.