Оценка:
Опубликованно: 19.11.2003.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Solar Energy', 1.
Фрагмент работы

Today one of the most popular and well known alternative forms of energy is solar power. There are two types of solar energy, Passive Solar - which uses natural processes without mechanical equipment, and additional electrical or gas energy to operate, and Active Solar - which uses nature's resources with the inclusion of mechanical equipment and hardware driven by electricity and gas.
Solar energy has many advantages. It is an easy, quiet, reliable source of energy. …

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