Question

Oxygen is produced during photosynthesis. What is the source of this oxygen inside the plant?

A. Air spaces in the leaf
B. Carbon dioxide
C. Glucose
D. Water

Answer 1

It would be B.Carbon dixide.
We give out carbon dioxide which gos to the plant, so they can give out oxygen for us to breathe.
And that cycle repeats itself forever and forever..
~Hope this helped :)

Answer 2

Oxygen is produced during photosynthesis. The source of this oxygen inside the plant is B) Carbon dioxide.

We, the Humans breathe in oxygen and plants breath in CARBON DIOXIDE!