English 8 lesson 7 : Pollution
Topic : Writing about the definition, causes and effects ò light pollution
Help me, please !!!
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VH
0
TH
19 tháng 3 2021
Noise pollution is a very special type of pollution.
(Definition:) It is known to be the exposure to some high sound levels that may lead to adverse effects in humans or other living organisms. (Causes:) Noise becomes harmful when it exceeds 75 decibels (dB), such as the sound at a busy residential road. Noise is painful when above 120 dB, such as the sound of a jet taking off. (Effects:) Noise pollution affects not only the hearing but also the nervous system. It can make us deaf or have high blood pressure, nervousness, hearing loss, and sleep disturbances.
Bài này cô viết về ô nhiễm tiếng ồn, một loại ô nhiễm xảy ra ở cuộc sống hiện đại.
Cô chúc em học tập vui vẻ và có nhiều trải nghiệm bổ ích tại Hoc24.vn nhé!
QN
16 tháng 3 2018
Water Pollution is the contamination of water bodies. It occurs as a result of introduction of pollutants in water. Water is life. Still, we contribute in polluting the water bodies in several ways.
Water Pollution is mainly caused as a result of improper discharge of household and industrial chemicals wastes into the water bodies.
These dangerous chemicals (in the form of solid, liquid or gases) mixes with water and make it unsafe for living bodies. Water pollutants cause harm to human-beings, animals, trees and other constituents of environment.
MN
10 tháng 3 2021
1. Noise pollution/ any loud sounds/ either harmful or annoying/ humans and animals.
=> Noise pollution is any loud sounds that are either harmful or annoying to humans and animals.
2. Generally/ noise/ produced/ household appliances/ big trucks/ vehicles and motorbikes/ on the road/ planes and helicopters flying over cities/ load speakers, etc.
=> Generally, noise is produced by household appliances, big trucks, vehicles and motorbikes on the road, planes, and helicopters flying over cities, loudspeakers, etc.
3. Noise pollution/ cause/ stress/ illnesses/ hearing loss/ sleep loss/ lost productivity.
=> Noise pollution can cause stress, illness, hearing loss, sleep loss, and lost productivity.
4. Health effects/ noise/ include/ anxiety/ stress/ headaches/ irritability/ nervousness.
=> Health effects of noise include anxiety, stress, headaches, irritability, and nervousness.
5. Noise-producing industries/ airports/ bus terminals/ should/ located/ far/ living places.
=> Noise-producing industries, airports, bus terminals should be located far from living places.
6. The officials/ check/ misuse/ loudspeakers/ outdoor parties and discos/ as well as/ public announcement systems.
=> The officials must check the misuse of loudspeakers, outdoor parties and discos, as well as public announcement systems.
10 tháng 3 2021
1. Noise pollution is any loud sounds that are either harmful or annoying to humansand animals.
2. Generally, noise is produced by household appliances, big trucks, vehicles and motorbikes on the road, planes and helicopters flying over cities, loud speakers, etc.
3. Noise pollution can cause stress, illness, hearing loss, sleep loss and lost productivity.
4. Health effects of noise include anxiety, stress, headaches, irritability and nervousness.
5. Noise-producing industries, airports, bus terminals should be located far from living places.
6. The officials must check the misuse of loudspeakers, outdoor parties and discos, as well as public announcement systems.
16 tháng 2 2021
viết định nghĩa, nguyên nhân, ảnh hưởng, giải pháp het roi ah
VB
21 tháng 1 2019
Nowadays, one of the biggest problems human are facing with is water pollution. Water pollution is defined as the presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water and may pose a threat to human health and/or the environment. A lot of causes are responsible for this issue. And they lead to extremely bad consequences. I’d like to explain more in the following paragraphs.
Some typical causes of water pollution are Industrial waste, Sewage and waste water, Mining activities, Accidental Oil leakage, Burning of fossil fuels, Chemical fertilizers and pesticides, … These agents contribiute to water pollution.
And the consequences? Of course, it is human health! Human are likely to get into trouble with some diseases such as hepatitis by eating seafood that has been poisoned. Water pollution also brings about the death of aquatic (water) animals, Disruption of food-chains, Destruction of ecosystems.
In conclusion, water pollution is a alarming problem that needs to be solved as soon as possible. The sooner we solve it, the more healthy we are.
Artificial light is an important factor that contributes effectively in the process of socio-economic development. And in fact, the industrial society has been too dependent on artificial light because it is used to illuminate public places, offices, factories, residential areas ... to meet and serve activities. However, when light is not used effectively, causing excessive light is the cause of pollution. light.Based on the characteriss of the sources and the object affected, light pollution is classified into the following categories: light intrusion, light abuse, glare, mess and light. usurp the sky.
Intrusion light occurs when light reflects on unwanted or unwanted areas. Such as street lights shining into the windows of roadside apartments, the result could be insomnia for those who live in them.Bright light is the result of the opposite of the light and dark areas in the view. When bright light is shining directly into the eyes of pedestrians will lose visibility in the night and this problem is especially serious for traffic safety.
Light abuse is excessive use of light, causing waste. The main cause of this problem is not turning off the light when not needed or inappropriate lighting design makes the use of light larger than necessary or the light does not focus on the necessary area.The light is cluttered due to the excessive use of multiple light sources. At the same time, they are arranged to create interwoven light streams. Typically, there are too many advertising lights on the streets. This is also a cause for pedestrians to easily lose focus and can lead to accidents.
Light appropriating the sky usually occurs in densely populated areas, especially in modern urban areas. All the light from different sources reflects off the night sky, causing the area to shine brightly when viewed from afar. This problem especially affects astronomers when observing stars.