Question

英语作文，急，在线等

Answer 1

Sandstorm refers to strong winds will blow the air ground dust weather was cloudy, the level of visibility less than 1km. Sandstorm weather occurs mainly in winter and spring, this is due to the winter and spring precipitation understood, surface anomalies of dry loose, the ability of anti wind erosion very weak, when the wind blew, will a lot of dust involved in the air, forming sandstorms.

Sandstorm weather storm wrapped sand, dust filled, usually through the regional air pollution, choking nose fans eyes, number of respiratory diseases increased. Sandstorm carrying large dust blot out the sun shade, gloomy weather, caused a decrease in solar radiation, several hours to ten hours of bad visibility, easy to make people feel boring, work to reduce the learning efficiency. Light person can make lots of livestock dyed respiratory and gastrointestinal diseases, serious will result in lots of 'spring deficient' livestock deaths, scrape off the farmland fertile soil, seeds and seedlings. The sandstorm will make the surface layer of soil erosion, desertification, covered in thick foliage on the dust, affect the normal photosynthesis of crops.
We should protect the environment and prevent the dust storm.