A little space

Air pollution is one of the largest problems the world is facing today. What are some causes of air pollution and what measures can be proposed to solve this problem? Although infrastructure and provision nowadays have been known to develop significantly, they lead to plenty of types of pollution. Among them, air pollution is considered one of the most major factors which contribute to have extensive influences on   natural environment and  human society. This essay will discuss the causes and solutions to this problem. Most of the reasons stem from human activities. First and foremost, fossil fuel combustion is what people are most concerned about. Power plants, manufacturing facilities and means of personal transport are believed to be environmentally friendly designs, but they have exhausted a large amount of greenhouse gas  to the atmosphere. Second of all, the side effects of  cultivation bring about a threat to the wholesome climate. Agricultural chemicals,  inclu

The diagram below shows the stages in the food production chain of the United States . Summarise the information by selecting and reporting the main features, and make comparisons where relevant. The given diagram illustrates how food is manufactured in the USA. Overall, this is a man-made process and contains five  linear  stages, beginning with raw food materials being produced and ending with cooked food being served at home, in restaurants or buffets. In the first stage, raw food materials, including vegetables, livestock, and fish, are produced and collected from different sources, typically from farms and seas. These raw, unprocessed materials are then sent to factories where they are processed and made into fresh food  products and prepared food products. After that, these products are  loaded onto  trucks and transported to distribution agencies. At the distribution agencies, food is delivered and supplied to  foodservice  facilities, includ