The O2 produced during photosynthesis is

The oxygen released during photosynthesis is from the water. The plants will absorb water as well as carbon dioxide during photosynthesis. Later these water molecules are converted into oxygen and sugar. The oxygen is then released into the atmosphere whereas the sugar molecules are stored for energy.

your welcome also can i have brainliest please??

it is the boston port act

answer; the cats meowing will temporarily increase, but then it will decrease;