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PT
30 tháng 4 2021
What is water pollution? Water pollution is a source of water contaminated with chemicals or foreign substances that are detrimental to human, plant or animal health. It occurs when harmful substances get into bodies of water such as lakes, rivers, oceans, etc., which can be dissolved, suspended or deposited in the water. At that time, it greatly affects the environment and organisms around the world.
Therefore, we need to have the right measures to overcome water pollution. Firstly, there must be severe and severe sanctions against individuals, organizations and agencies that commit acts of destroying the environment, affecting people's lives. In addition, it is also necessary to educate the people through propaganda and encouragement such as organizing exchanges to discuss environmental issues at the ward and commune level administrative units ... More detailed articles about the environment in textbooks right from the elementary level, helping students to have the right attitude and view about the environment and its consequences, thereby helping them to know love and protect the environment in which I live. Another way to help protect the environment is to launch volunteer movements more often such as environmental protection in residential areas, garbage collection in public areas, and beach cleaning ...
We need to join hands to protect the environment and avoid pollution for the future of a green, clean, beautiful Vietnam, and for our own life as well as for generations to come! Let's protect the environment to protect our own lives.
6 tháng 3 2018
Do as dirceted in the brackets.
1, the man is sitting next to me. he is my father 's friend
--> the man sitting next to me is my father's friend.
2, huy alway gets into trouble at school his parents are unhappy
--> huy's parents are unhappy that he always gets into trouble at school.
3, A girl is playing the piano. she is my sister
---> The girl playing the piano is my sister.
4, heard about the exam results . i felt relieved
--> i felt relieved to hear about the exam results.
5, the fruits are humful to health. they are imported from china( ed- participle)
--> The fruits imported from China are harmful to our health.
11 tháng 9 2018
bạn nhớ tick cho mình nha
CÓ ĐỌC LÀ PHẢI TICK THANKS
in my opinion, the best leisure activity for teenagers is playing sports. firstly, it can help we relax after study hard. secondly, if we play sports we will become healthy. finally, we can make many new friend because when we play team sports .In short , sports is very good for everyone so we should play it . I think parents shouldnot decide how teenagers spent their free time because if they decide, they will make their children feel unhappy and not confident.
BD
24 tháng 12 2017
In my opinion, living in the countryside has its own pros and cons. According to benefits, it has fresh air, quite environment and friendly neighbors. Firstly, you have a healthy life. There are no dust, no smoke and no traffic jam. The air is fresh and the rain is also very clean. You can get raging water to cook rice and certainly have and tasted meal. Secondly, living in the countryside is peacful. It is very quiet to relax after working or there are many beautiful wide fields and fresh air.Finally, there are no separations in your town. Your neighors are friendly and helpful. They are really best friends. They will help you pleasently if you have trouble. Each problem has its solution anf your neighbors will share it for you. In conclusion, I prefer to live in the countryside, but I don't want to live there permanently.
G
16 tháng 6 2019
An: Hello Manh , What are you doing ?
Manh : Oh , Hi An . I'm reading a magazine about tsunami .
An : What is tsunami ?
Manh : Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases. The speed of tsunami waves depends on ocean depth rather than the distance from the source of the wave. Tsunami waves may travel as fast as jet planes over deep waters, only slowing down when reaching shallow waters. While tsunamis are often referred to as tidal waves, this name is discouraged by oceanographers because tides have little to do with these giant waves.
An : It sounds terrible .What is it cause ?
Manh: First , it causes many deaths . Since 1850 alone, tsunamis have been responsible for the loss of more than 430,000 lives. Second , the amount of energy and water contained in a huge tsunami can cause extreme destruction when it strikes land. And finally Tsunamis not only destroy human life, but have a devastating effect on insects, animals, plants, and natural resources. A tsunami changes the landscape. It uproots trees and plants and destroys animal habitats such as nesting sites for birds. Land animals are killed by drowning and sea animals are killed by pollution if dangerous chemicals are washed away into the sea, thus poisoning the marine life.
An : How can we to stop it ?
Manh : From my point of view, we need many factors to simulate Tsunami wave than we can find solution for this problem. One of this factor as Gobo A.E. mentioned above, also we need to know how many cycle per each period for example 10 years that happened and also the height of the wave when it attach the land. When we study deeply all factors then we can find solution such as we can made some gates in front of the coast lying horizontal in water when the level of water increase more then the normal this gate change its position to the vertical to crash the wave height and to reduce the damage on the land behind it.
An : That's true.
HP
1
HN
21 tháng 4 2019
Air pollution is a problem of the world. The health of people is threatened. The cause of air pollution is largely caused by people without a sense of protection. The factory is getting more and more, how much poison gas from it flies into the sky. Smoke from the car also flew into the sky. Those toxic gases directly pollute the air. Earth is getting hotter, volcanoes often erupt, floods, landslides, ...That's what people suffer. Therefore, people must have a sense of protection of pure air when planting more green trees. Factories must have measures to filter exhaust gases before being discharged into the environment. I hope one day a green life will fill us.