Оценка:
Опубликованно: 05.01.2003.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Effect of Acid Rain on Seed Germination ', 1.
  • Эссе 'Effect of Acid Rain on Seed Germination ', 2.
  • Эссе 'Effect of Acid Rain on Seed Germination ', 3.
  • Эссе 'Effect of Acid Rain on Seed Germination ', 4.
Фрагмент работы

INTRODUCTION
The term acid rain is usually used to refer to rain or snow with pH less than 5.6. It is
usually created because of the presence of nitric and/or sulfuric acid in the atmosphere and it also
affects everything it touches, including buildings, plants, and even seeds. Acid rain can affect seed
germination. Seed germination is when the seed begins to grow . A radicle can seen, as the seed
begins to split apart.
ACIDS
In order to understand acid rain, pH must first be understood. pH determines a substance's
acidity. A pH scale goes from 0 to 14. …

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