Hi can u please help me
This biology class 10 2022

1. Overall equation for photosynthesis is as follows:

2. Water is the substance that is repeated in raw material as well as reproduced as an end product in photosynthesis.

3. H₂O is the source of oxygen released in photosynthesis.

4. The photolysis of water involves the breaking of water molecule to form oxygen gas and hydrogen ions and electrons. The released electrons and hydrogen ions are captured by another substrate in the vicinity.

Please post rest of the questions in a separate thread. 

Hope this helps.
Regards.