Hello Ms.Lâm ,My name ís An , im 14 years old,i study in an hoa 2 secondary school,my class is 8A1 ,my family have
to members are my dad my mom my youngers sister and me and my hobbies is play musical instruments so today i will talk about pollution,
Air Pollution:
Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics (ké rắc tơ ric stịc)of the atmosphere
There are many reasons for air pollution such as vehicle emissions(ỳ mí son), fuel oils and natural gas , by-products of manufacturing and
power generation, particularly coal-fueled power plants, and fumes from chemical production are the primary sources of human-made air pollution.
The effect of air pollution are Long-term health, including heart disease(đif zess), lung cancer, and respiratory (rés pray tory)diseases such as emphysema(em phe sý mà)
some solution to air pollution you can do is Reduce the number of trips you take in your car. Reduce or eliminate
fireplace and wood stove use. Avoid burning leaves, trash, and other materials, gas-powered lawn and garden equipment
noise pollution:
noise pollution is an invisible danger. It cannot be seen, but it is present nonetheless, both on land and under the sea.
Cause of noise pollution is vehicles, aircraft, industrial machines, loudspeakers, crackers it can from every thing.
Problems related to noise pollution include stress related illnesses, high
blood pressure, hearing loss, sleep disruption, and lost productivity.
The solution you can do to noise pollution is avoid very noisy leisure activities, option for alternatives(all tér ner tìp) means of transport such as bicycles or electric vehicles over taking the car,
Water pollotion:
Water pollution occurs when harmful substances—often chemicals or microorganisms(micro ongarnisim)contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality
and rendering it toxic to humans or the environment.
Cause of water pollution is spills or leaks from oil and chemical containers. trade effluent going into surface water
drains instead of foul water drains, or straight into watercourses. removing too much water from surface waters and groundwater.
Water pollution depletes aquatic ecosystems and Contamination of the food chain.