2017- год экологии и это неудивительно, проблемы окружающей среды глобальное потепление, выхлопные газы. вымирающие животные и т.д. стоят очень остро и нам необходимо найти им решение.
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krivenkova.pptx | 1.94 МБ |
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SAFE OUR EARTH Made by: Krivenkova Viktoriya Grade 7 B Secondary School V.Hvorostyanka Samara Region Teacher: Obuhova OlgaСлайд 2
The problem starts here. Cars burn petrol, factories and power stations burn coal and emit toxic fumes. So, the air that we breathe becomes polluted.
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This pollution is gathered in clouds and with the oxygen and water in the atmosphere it becomes acid. The winds carry the polluted clouds across long distances, far away. When it rains, this pollution lands on trees, houses, buildings, cars, clothes, everywhere!!! This is called acid rain, but there is actually 'acid fog', 'snow' and 'sleet' in the same way!
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When acid rain falls into lakes, streams, rivers and seas, they become toxic. This is water pollution and it harms, kills or wipes out fish and plant species. When acid rain flows through the soil, it poisons trees and plants. Acid rain also causes serious damage to important buildings and objects
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The good news is that governments have been trying to reduce the air pollution that causes acid rain. Some industries have been using new technologies for some time to help make factory smoke less harmful to the environment.
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But we need to do more! We can also help nature by collect rubbish , cleaning ponds and planting flowers .
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Building nesting boxes and reserves for animals we also help nature .
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The future of our planet is in our hands. Take care of the Earth!
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THANKS FOR YOUR ATTENTION
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