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Subjects
Science State Board
Class 9
Environmental Science
Biogeochemical cycles
4.
Properties of carbon cycle
Exercise condition:
2
m.
Drag the correct answer
:
Answer variants:
Modernization techniques
Volcanic activities
Photosynthesis
Respiration
1
.
Atmospheric carbon dioxide enters the producers through the process of
-
2
.
Natural process that causes release of carbon dioxide
-
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