Answer:
Most Trees only produce oxygen when the sun is out.
Some Trees produce less oxygen when the sun is out in winter due to little to no photosynthesis.
The most plant lives that gives us oxygen consist of marine plants which gives us most of the oxygen from plant lives.
As a whole, most trees only produce oxygen when the sun is out, and will breath it when the sun is not out, and let out Carbon dioxide!
Even fruits and vegetables breath in Oxygen and let out Carbon Dioxide! So most plants do the same thing animals do! Breath Oxygen!
Step-by-step explanation: