Содержание
- 2. People have always polluted their surroundings. Even in ancient times people admitted that their health was
- 3. The pollution The air pollution The water pollution The soil pollution
- 4. The air pollution Air pollution. Air pollution is a very serious problem, because polluted air can
- 5. The water pollution Water pollution Water recourses is one of the main factor of existing life
- 6. The soil pollution Soil pollution The main component of the Earth biosphere represents topsoil. Soil is
- 7. Actually, our planet was also experiencing more significant cataclysms, but she is now inhabited. The question
- 9. Скачать презентацию