Photosynthesis is the main method by which primary production takes place in an ecosystem. what abiotic factor is a beneficial by-product of primary production?

the significance of abiotic by product of photosynthesis is oxygen the main product of the process is glucose, which the plant uses as food. it can be seen that plants are important to substance life because they reduce the Earth carbon dioxide and replace it with oxygen

Ithink you should go back and learn in school rather then here asking questions