Презентация К уроку английского языка "The protection of nature" - скачать бесплатно онлайн
На нашем сайте вы можете скачать и просмотреть онлайн доклад-презентацию на тему К уроку английского языка "The protection of nature" - скачать бесплатно абсолютно бесплатно. Урок-презентация на эту тему содержит всего 12 слайдов. Все материалы созданы в программе PowerPoint и имеют формат ppt или же pptx. Материалы и темы для презентаций взяты из открытых источников и загружены их авторами, за качество и достоверность информации в них администрация сайта не отвечает, все права принадлежат их создателям. Если вы нашли то, что искали, отблагодарите авторов - поделитесь ссылкой в социальных сетях, а наш сайт добавьте в закладки.
Оцените презентацию от 1 до 5 баллов!
- Тип файла:ppt / pptx (powerpoint)
- Всего слайдов:12 слайдов
- Для класса:1,2,3,4,5,6,7,8,9,10,11
- Размер файла:6.05 MB
- Просмотров:80
- Скачиваний:0
- Автор:неизвестен
Слайды и текст к этой презентации:
№1 слайд
Содержание слайда:
№2 слайд
Содержание слайда: The protection of nature has become one of the most burning problems of the 21th century.
The protection of nature has become one of the most burning problems of the 21th century.
№3 слайд
Содержание слайда: Since ancient times Nature has served Man, being the source of his life. For thousands of years people lived in harmony with environment and it seemed to them that natural riches were unlimited. But with the development of civilization man's interference in nature began to increase.
№4 слайд
Содержание слайда: With the development of civilization man's interference in nature began to increase. The by-products of people's activity pollute the air we breathe, the water we drink, the land we grow grain and vegetables on.
With the development of civilization man's interference in nature began to increase. The by-products of people's activity pollute the air we breathe, the water we drink, the land we grow grain and vegetables on.
№5 слайд
Содержание слайда: The most polluted is air, water and land now. People don’t think about the consequences of their activities. We must solve environmental problems without harming nature.
The most polluted is air, water and land now. People don’t think about the consequences of their activities. We must solve environmental problems without harming nature.
№6 слайд
Содержание слайда:
№7 слайд
Содержание слайда: Water
The level of water treatment is extremely low
By water pollution distinguished:
chemical
physical (thermal, radiation);
biological (microbial).
To ensure the required water status of natural water bodies need to develop and implement measures to protect water.
№8 слайд
Содержание слайда: Air
Air pollution is a problem the 21st century. Main pollutants are emissions to air pollutants. The government must control of gases emission, which damage the ozone layer.
№9 слайд
Содержание слайда: Deforestation
Vast forests are cut and burn in fire. Their disappearance upsets the oxygen balance. As a result some rare species of animals, birds, fish and plants disappear forever, a number of rivers and lakes dry up.
№10 слайд
Содержание слайда: Land
Contamination of soils also occur as a result of agricultural practices, pesticides pesticide residues unused fertilizer.
№11 слайд
Содержание слайда: The most horrible ecological disaster befell Ukraine and its people after the Chernobyl tragedy in April 1986.
The most horrible ecological disaster befell Ukraine and its people after the Chernobyl tragedy in April 1986.
A great damage has been done to the agriculture, forests and people's health. The consequences of this explosion at the atomic power-station are tragic for the Ukrainian, Byelorussian and other nations.
№12 слайд
Содержание слайда: Take care of nature - it is our home
Скачать все slide презентации К уроку английского языка "The protection of nature" - скачать бесплатно одним архивом:
