Unit 07. Pollution. Lesson 7. Looking back - project

Welcome to our project
Group 3
Members of our group
1:Vu Khanh Linh
2:Pham Ngoc Bach
3:Nguyen Khanh Huyen
4:Pham Minh Khoi
5:Nguyen Thi Phuong Anh(26/5)
6:Le Toan Thang
7:Bui Ha Ngan
8:Pham Trung Hieu
Unit 7: POLLUTION
20:56:04
What is pollution ?
Pollution is the introduction of contaminants into the natural environment that cause adverse change .Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people in the world
There`re many kind of pollution:
(Can you guess? )
And one of most serious type of pollution is:
Water pollution
Nowadays ,water is polluted seriously because of humans .Water pollution is one of the most serious type of pollution
Water pollution can have many different causes:
Factories dump waste into lakes and rivers
Waste from households is another cause
Farm using
Water pollution can harm dramatic effects: Polluted water also causes the death of aquatic animals such as fish ,crabs ,or birds
Humans can even die if they drink contaminated water
In addiction ,herbicides in water can kill aquatic plants and cause further damage to the environment
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