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.

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Cô chúc em học tập vui vẻ và có nhiều trải nghiệm bổ ích tại Hoc24.vn nhé!

Air pollution: Definition: air pollution is a mixture of solid particles and gases in the air. CAuse: have a two main cause : The first is from nature as acid rain. The second is from people acting as vehicles emitting dust and smoke. Effect:harmful to humans , making animals and plants unable to live, causing serious illness. Sollution: planting trees, improve human working machines, educating people on mesures to raise awareness of environmental protection

Tham khảo

In recent years, distance teaching and learning has become increasingly popular among the students and this is perceived differently by learners. Many students perceive this as a beneficial aid in learning while others think that they are not as much effective as classroom teaching. This essay will discuss about the merits and demerits of distant learning. Studying an online course provides a flexible timing and less budgeted learning for students. They are able to learn their desire course and subjects on their suitable time. This gives a great opportunity for learners to gain new skills and strengthen their knowledge level staying in their own place. For instance, a Nepali student who wants an Australian degree in business management course does not have to stay in Australia, he can study online and complete course staying at his home. Hence, distant learning is economic and time saving. However, online courses give more emphasis on the theoretical part of learning and there is less teacher and student interaction. It lacks the practical aspects of learning and encourage the passive learning. This is very obvious that students find it as a less effective learning than in the classroom. A recent study suggests that a greater number of students found classroom teaching far more effective than the distance learning. In conclusion, the ever growing availability of online learning has gained its popularity among the young adults for many years, which is perceived as beneficial by many people while others find it to be less effective. The emphasis can be given to its effectiveness to establish it as the most cost effective learning than the classroom teaching.

Tiếng Việt 

Trong những năm gần đây, hình thức dạy và học từ xa ngày càng trở nên phổ biến trong sinh viên và điều này được người học nhìn nhận khác nhau. Nhiều sinh viên coi đây là một trợ giúp hữu ích trong việc học trong khi những người khác cho rằng chúng không hiệu quả bằng việc giảng dạy trên lớp. Bài luận này sẽ thảo luận về những giá trị và phẩm chất của việc học xa. Học một khóa học trực tuyến cung cấp một thời gian linh hoạt và học tập ít tốn ngân sách hơn cho sinh viên. Họ có thể học khóa học và môn học mong muốn của mình vào thời gian phù hợp. Điều này tạo cơ hội tuyệt vời cho người học để đạt được các kỹ năng mới và củng cố trình độ kiến ​​thức của họ ở vị trí của chính họ. Ví dụ, một sinh viên Nepal muốn có bằng Úc về khóa học quản lý kinh doanh không phải ở lại Úc, anh ta có thể học trực tuyến và hoàn thành khóa học tại nhà của mình. Do đó, học từ xa là kinh tế và tiết kiệm thời gian. Tuy nhiên, các khóa học trực tuyến tập trung nhiều hơn vào phần lý thuyết của việc học và có ít sự tương tác giữa giáo viên và học sinh hơn. Nó thiếu các khía cạnh thực tế của học tập và khuyến khích học tập thụ động. Điều này rất rõ ràng rằng học sinh thấy rằng nó là một học tập kém hiệu quả hơn trong lớp học. Một nghiên cứu gần đây cho thấy rằng một số lượng lớn sinh viên nhận thấy việc giảng dạy trên lớp hiệu quả hơn nhiều so với hình thức học tập từ xa. Tóm lại, sự phổ biến ngày càng tăng của việc học trực tuyến đã trở nên phổ biến trong giới trẻ trong nhiều năm, điều này được nhiều người cho là có lợi trong khi những người khác lại thấy nó kém hiệu quả hơn. Có thể nhấn mạnh đến tính hiệu quả của nó để xác định nó là phương pháp học tập hiệu quả nhất về chi phí so với việc giảng dạy trên lớp.

The population growth rate too fast has a great influence on the development of social life. The rapidly growing population means that the amount of food and food available to each person will decrease. That has a serious impact on the situation of our country and many developing countries in the world. Because in fact, our country is still one of the poor countries, the rate of food shortage is still quite high. Besides the economic issue, the issue of educational culture is also greatly affected. Population increases, the quality of services in culture, education, health ... will also decrease due to the need to follow the number to serve the majority. Families with many children do not have enough conditions for their children to study to a destination, not fully vaccinated ... This leads to the economic decline, the health of the people is not guaranteed, especially the elderly. , women and children, low educational level ... This situation will directly affect very badly on the social life, the future of the country. 

When there is breaking new about a typhoon, To be safe please do all this step for your live. First, plan with your parents about where to evacuate to, if you are outside, get inside your house now. Second, keep small outdoor objects, or light and sharp items from blowing away and may harming people. Third, if you are a kid or a child, ask your parent what you can do to help prepare your house. Finally, make sure to listen for safety and storm update. There simple four step can help you, remember that.

Tham khảo mấy cái definition với causes effects solutions r tự viết he

Soil pollution happens when human activities destroy the earth’s surface.

Causes: pesticides, herbicides, chemical industrial waste, deforestation...

Effects: soil pollution, soil erosions, the upper layer of soil is damaged, effects on wild-life...

Solutions: Fine heavily people who cut the forest and those who release chemicals waste into the ground.

Refer:

Nowadays, pollution is a popular term with everyone in the world and air pollution is one type of pollution. The definition of air pollution is one such form that refers to the contamination of the air, irrespective of indoors or outside. A physical, biological or chemical alteration to the air in the atmosphere can be termed as pollution. There are some main reasons which cause air contamination such as burning of fossil fuels, agricultural activities, exhaust from factories and industries, mining operations, and indoor air pollution. Air pollution always has bad effects on our life. Harmful gases, dust, and smoke enter into the atmosphere and make it difficult for plants, animals and humans to survive. We also can see some examples of the result of air contamination which occurs around us as global warming, acid rain, and depletion of ozone layer. The effects of air pollution are alarming, so governments over the world should have suitable policies of protecting the environment, especially air quality to create a clean world for our generation in the future.

Tham khảo:Fresh water is the most important source of life on the earth. Any living thing may survive without food for days however it is impossible to imagine life without water and oxygen. The ever increasing human population enhances the demand of more water for purposes like drinking, washing, performing industrial processes, irrigating crops, arranging swimming pools and other water-sports centres. Water pollution is done by the people of all over the world because of increasing demands and competitions of luxuries life. Waste products from many human activities are spoiling the whole water and decreasing the amount of oxygen available in the water. Such pollutants are altering the physical, chemical, thermal, and biological characteristics of the water and adversely affecting the lives inside as well as outside the water.

When we drink the polluted water, harmful chemicals and other pollutants goes inside our body and deteriorates all the body organs functioning and puts our lives in danger. Such harmful chemicals also disturb the lives of animals and plants greatly. When plants absorb dirty water through their roots, they stop growing and die. Thousands of seabirds are killing because of the oil spilling from ships and industries. High level of water pollution is done due to the chemicals coming out of the agricultural usage of fertilizers, insecticides and pesticides. The effect of water pollution varies from place to place upon the type and amount of water contamination. The degradation of drinking water needs an urgent basis prevention method which is possible by the proper understanding and support from the end of each and every person living on the earth