سؤال قراءة ستيب محلول — الفكرة الرئيسية (تدريب 5895)

(1) Air Pollution describes the chemicals and gasses that enter and cause harm to people, animals, and their environment. Two of the worst types of pollution we experience in the world are outdoor air quality in cities and indoor air Pollution. To solve the problem of air Pollution. It is necessary to understand the causes and look for ways to fix them. (2) Human activities have been the main causes of air Pollution, especially in modern cities. To support a larger population, there is always a need for energy. Transportation, and industries, which result in the spread of harmful chemicals into the air. In addition In addition to outdoor air pollution, there is another type of pollution. The air quality around and inside buildings and structures is known as indoor air quality. Indoor air quality has a direct effect on the comfort and health of the people inside a building. Some of the common sources of indoor air pollution include chemicals and cleaning products used in homes and offices. (3) There are some simple things people can do to help keep the air around them cleaner. For example For example, people can use less energy because the more we use sources of energy, like electricity and gasoline, the more air Pollution we create. People can ride a bicycle or walk. What does Paragraph ((1) say about air pollution?