.
Nitrogen, carbon dioxide
Water ,carbon dioxide
Chlorophyll ,water
Option 4
Sunlight
Air
Water
Option 4
Air
Water
Food web
Option 4
Atmosphere
Environment
Note of these
Option 4
Oxygen
Nitrogen
Carbon dioxide
Option 4
Nitrogen ,carbon dioxide
Oxygen ,carbon dioxide
Nitrogen, Oxygen
Option 4
Nitrogen oxide
Hydrogen
Carbon dioxide
Option 4
Each other
On its own
None of these
Option 4
Birds
Plant
Tiger
Option 4
Grass
Rabbit
Parrot
Option 4
True
False
True
False
True
False
True
False
True
False
True
False
True
False
True
False
True
False
True
False
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