Answer:
Number 4 here.click on the picture
The carbon that plants need for photosynthesis comes from (carbon dioxide gas in the atmosphere)
Answer:
In the dark phase (which takes place in the stroma), the ribulose bisphosphate added to the carbon dioxide gas (CO2) in the air results in the production of organic compounds, principally carbohydrates or sugars, whose molecules contain carbon, hydrogen, and oxygen.
Explanation: