-5 is the answer i came up with... i think?
As we know that plants are autotrophs mean they can synthesize their own food through a process called photosynthesis in which plant utilize water,carbon dioxide and sunlight to yield glucose and oxygen so the main purpose of photosynthesis is to convert water and CO2 to glucose and oxygen
hope it helps
The three categories of forests are separated into temperate, tropical, and boreal.
The other name for light independent stage is the Calvin cycle