服务承诺
资金托管
原创保证
实力保障
24小时客服
使命必达
51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展
积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈Pollution
2013-11-13 来源: 类别: 更多范文
Pollution
Factory and business owners have the ability to prevent air pollution.
The government should take action, requiring equipment to cut down on
hydrocarbons in the atmosphere. The little time spent regulating equipment
used in factories can go a long way saving billions on health problems and
other related issues.
Over 150 million people in the United States live in areas where the
Environmental Protection Agency consider the air to be unhealthy. Air
pollution is the presence in the atmosphere of harmful gases, liquids, or
solids. Smog has been a problem in coal-burning areas for several
centuries. Smog finally decreased when coal combustion was
replaced by oil and gas combustion.
Air pollution is caused by a number of different types of pollutants.
The first type, particulate matter, consists of solid and liquid aerosols
suspended in the atmosphere. These arise from the burning of coal and
from industrial processes. It hastens the erosion of building materials and
the corrosion of metals, interferes with the human respiratory system, and
brings toxic materials into the body. The small particles cause chronic
bronchitis, bronchial asthma, emphysema and lung cancer.
The second type is sulfur oxides, which come from the burning of coal
and industrial
should, pollution, air, type, hydrocarbons, health, factories, combustion, carbon, smog, monoxide, gas, equipment, come, atmosphere, action, world, within, take, respiratory, processes, problems, prevent, people, ozone, oxides, nitrogen, materials, level, industrial, ground, devices, conditions, coal, caused

