Which of these processes produces oxygen

the answer is photosynthesis bcuz plants have to go thru the photosynthesis process to give off oxygen. hope the helps Brianliest??

The complete question is:  

Which of these processes produces oxygen? A) burning coal for heat B) respiration in animals C) photosynthesis in plants D) operation of an acetylene torch

Photosynthesis in plants

Explanation:

The production of oxygen on earth is possible only when there is a process of photosynthesis on earth. The process by which the autotrophs make food is responsible for food and oxygen on earth.

The production of carbohydrates takes place in the presence of sunlight and carbon dioxide.

This process is also responsible for the production of oxygen in the environment.

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

really dont know just need some points