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12.Ecosystem
normal
Complete the following model of carbon cycle filling $A, B, C, D, E$ and $F$

A
$A-$Osmosis, $B-$Photosynthesis, $C-$Respiration, $D-$Burning of fuel wood, $E-$Forest food chain, $F-$Limestone
B
$A-$Photorespiration, $B-$Respiration, $C-$Respiration, $D-$Burning of organic debris, $E-$ Pond food chain, $F-$Dolomite
C
$A-$Respiration, $B-$Photosynthesis, $C-$Respiration, $D-$Combustion of fossil fuels, $E-$ Aquatic food chain, $F-$ Coal, oil
D
$A-$Respiration, $B-$Photosynthesis, $C-$Respiration, $D-$Burning of forest, $E-$Terrestrial food chain, $F-$Forest
Solution
$A-$Respiration, $B-$Photosynthesis, $C-$Respiration, $D-$Combustion of fossil fuels, $E-$Aquatic food chain, $F-$Coal, oil
Standard 12
Biology