Hi Can i ask why is the ans = 4? Why "leaving" B doesnt have carbon dioxide? Th

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primary 5 Science Singapore

Hi
Can i ask why is the ans = 4?
Why "leaving" B doesnt have carbon dioxide?

Thanks

Date Posted: 5 years ago

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Akid

5 years ago

Plants take in carbon dioxide and give out oxygen that is why

Snell

5 years ago

entering:
oxygen, CO2 & water vapour are components of air

exiting:
sunny and bright day,
photosynthesis can occur
plant in B produces more oxygen than CO2,
insect in A produces limited amt of CO2, to be absorbed by plant in B

5 years ago

Thank u!

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Date Posted: 5 years ago

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