Aineringed ökosüsteemis

Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Mis element on vajalik ringlemiseks looduses märgalades, kus hapnikuvaestes tingimustes toimuvad vabastavad protsessid?
Back
Lämmastik (N)
2.
FLASHCARD QUESTION
Front
Milline element moodustab enamuse elusolendite biomassist?
Back
Süsinik (C)
3.
FLASHCARD QUESTION
Front
Milline elemendi molekulaarne vorm moodustab 78% õhust?
Back
Lämmastik (N)
4.
FLASHCARD QUESTION
Front
Millise elemendi oksiid paiskub õhku fossiilsete kütuste põlemisel ja mõjutab Maa kliimat?
Back
Süsinik (C)
5.
FLASHCARD QUESTION
Front
Millise elemendi oksiidist saab fotosünteesi käigus moodustada orgaanilisi ühendeid?
Back
Süsinik (C)
6.
FLASHCARD QUESTION
Front
Mis on süsiniku (C) tähtsus ökosüsteemis?
Back
Süsinik on elusolendite peamine koostisosade element ja osaleb fotosünteesis.
7.
FLASHCARD QUESTION
Front
Kuidas mõjutab lämmastik (N) taimekasvu?
Back
Lämmastik on oluline toitainena, mis soodustab taimekasvu ja arengut.
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