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Презентация на тему Water safety

Safe water is considered a fundamental human right essential for a healthy populace and environment.In America, there are many different problems related to water resources. And I am going to tell about them.
Water SafetyBy Sveta Kovalenko 11B Safe water is considered a fundamental human right essential for a healthy In many rivers, lakes and the coast of the United States has In the city Alamogordo (New Mexico) was a terrible disease - mercury In California, on the shores of one of the lakes, tourists have Previously, The Colorado River gave life to the valley of Mexicali (Mexico). Today, thousands of poisonous substances, organic and inorganic enter the house of
Слайды презентации

Слайд 2 Safe water is considered a fundamental human right

Safe water is considered a fundamental human right essential for a

essential for a healthy populace and environment.
In America, there

are many different problems related to water resources. And I am going to tell about them.

Слайд 3 In many rivers, lakes and the coast of

In many rivers, lakes and the coast of the United States

the United States has become dangerous to swim because

there appeared poisonous silt and algae. The authorities of the state of Wisconsin and Kentucky have been forced to close many beaches. And in Florida from poisonous plants are dying dolphins, manatees, birds and fish.

Слайд 4 In the city Alamogordo (New Mexico) was a

In the city Alamogordo (New Mexico) was a terrible disease -

terrible disease - mercury poisoning. The scientists tested the

chemical composition of the water and were shocked.
Millions of square miles of the most beautiful American rivers and lakes contaminated with dangerous and almost impossible to destroy the element - mercury.

Слайд 5 In California, on the shores of one of

In California, on the shores of one of the lakes, tourists

the lakes, tourists have suffered from gnats.
Local authorities, applying

the technique, sprayed the entire area with pesticides. As a result, gnats disappeared. But apart from gnats disappeared fish and birds too .

Слайд 6 Previously, The Colorado River gave life to the

Previously, The Colorado River gave life to the valley of Mexicali

valley of Mexicali (Mexico). Now this river brings into

the territory of Mexico a huge amount of salt, which kill the fertility of these lands.

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