
Въпроси за хумус и почва
Flashcard
•
Education
•
4th Grade
•
Hard
Antonia cvetkova
FREE Resource
Student preview

3 questions
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1.
FLASHCARD QUESTION
Front
Хумусът се образува от:
Back
a) части на растения
б) животински организми
в) изгнили растения и животински отпадъци
2.
FLASHCARD QUESTION
Front
За растенията най-добрата почва е:
Back
а) богатата на хумус
б) задържащата много вода
в) съдържащата достатъчно количество въздух
3.
FLASHCARD QUESTION
Front
За коя трудова дейност се отнася изречението ? : Обогатява с хранителни вещества почвата и възстановява нейното плодородие.
Back
Отговор:......................................
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