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Causes of water pollution:

+ Factories dump industrial into water.

+ Sewage from household is another cause.

+ storm water.

+ Asmosphere result

+ farm using pesticdes.

Effects of water pollution:

+ People drink contaminated water.

+ Animals eat these dead animals and may also get sick.

+ Kill aquatic plants and cause further damage.

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This is the schedule for my two day visit to Washington D.C.On the frist day me at 7:00 a.m we plan to Canal.Then,we go to the restaurant to have lunch at 11:30 a.m and we return luxury hotel.next,at 2:00 p.m visting the national Children's Museum.The second day,at 8:00 a.m we visiting the White House ,where the president of USA lives.Then,we go to shopping.In the afternoon,at 4:30 p.m we come my hometown.I hope our trip will be happy and hane many funny things.

^_^ Good luck in exam ^_^

Water pollution is one of the most serious environmental problems. It occurs when water is contaminated by such substances as human and animal wastes, toxic industrial chemicals, agricultural residues, oil and heat. Most of our water bodies— rivers, lakes, seas, oceans, estuaries and underground water sources are gradually becoming polluted. In the course "Covered so far, you have seen how deforestation, urbanization, intensive agriculture and industrialization have caused pollution of water bodies. You are familiar with various aspects of air pollution, including harmful effects of acid rain. In this unit we will summaries various types of water pollution caused by different pollution sources, and also explain some important concepts such as point and non-point sources, biological oxygen demand (BOD), eutrophication, self-purification capacity of natural waters, infiltration of pollutants to groundwater, thermal pollution and pollution caused by accidents in oil tanker ships. In the next unit you will read about the degradation of land resources and terrestrial features of earth. Polluted water may look clean or dirty, but it invariably contains germs, chemicals or other materials that can cause inconvenience, illness or death.

There are many types of natural disasters, storms are one of them, a storm is a turbulent state in the atmosphere and a type of extreme weather.There are many types of storms: Snowstorms: a very heavy snow phenomenon. thick with strong winds. Usually occurs in cold or temperate countries. Sand tornado: also known as sand demon, is a phenomenon of sand swept up very high, occurring at noon in desert areas. To: is the phenomenon of wind speeding up suddenly, accompanied by strong thunderstorms. Thunderstorms: are storms accompanied by thunder, heavy rain or hail. Tornado: is a phenomenon of a circular swirling air stream extending from a thunderstorm cloud down to the ground, especially in that a thunderstorm can descend on empty fields (rural areas) and cities. Fire storm: is a way to call intense fires that have created their own convection system and wind, making it extremely large and difficult to control or extinguish. Tropical cyclones are rapidly rotating storm systems characterized by a center of low pressure, strong winds and a spiral cloud structure that produces heavy rain. lots of homes. The bigger the storm, the more loss of life and property. Storms often break trees and damage homes. A hurricane with a tornado can sweep people and houses away, break trees, cause crop damage, and cause accidents to planes and boats. Therefore, we must take timely measures to prevent storms, we must resist our house carefully, so we can prevent a little harm from storm.

On the first day, we arrive at Dulles Airport at 7. 00 A.M, and take a ride to a hotel nearby. After checking in, we go visit the White House, where the president of the USA live. At about 10. 00, we visit the Capitol, the home of the United States Congress. After lunch at 11. 50 A.M, we visit the enjoying the cherry blossoms at the Tidal Basin and visit the National Children’s Museum. On the second day, we are cycling on bike trails in the National Park. At about 11. 50 A.M, we have lunch at a restaurant. In the afternoon we are exploring Washington D.C on a Hop-on Hop-off trolley.

Cre : Writing to give opinions about topic (Science and technology) Describing people on another planet - Hoc24

Imagine one day , you will be an astronaut who are going to explore the Jupiter and suddenly you meet a alien . Well in my opinion , I think that he or she may be very nice and have a similar figure like in some movies we watch . I think the inhabitants of Jupiter may be very different to human beings. This is how imagine them: They may be much bigger and more powerful than humans. Jupiterians may have eight legs and be able to move very fast. They may have a lot of hair all over their bodies and their skin might be very think so they can live in temperatures of around - 145 degrees Celsius. They may have four eyes and be able to see very far. They may also have a very good sence of smell and they may even be able to sense others’ feelings like happiness or fear. And I don’t think they eat and drink like us. Instead, they get all their energy from the rocks. They may charge their bodies by plugging their feet into the rock, just like charging a battery. That way, they don’t even need to breathe air. The only way they may be similar to us is they live in family units of parents and children. They may also use language to communicate with each other.

tự write ik

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