How are individual atoms of oxygen formed in the stratosphere?
a. individual oxygen atoms are formed when oxygen molecules collide with each other.
b. individual oxygen atoms are formed in the sun.
c. individual oxygen atoms are formed during photosynthesis.
d. individual oxygen atoms are formed when uv rays strike oxygen molecules.

c. Individual oxygen atoms are formed during photosynthesis.

There are several starting ingredients that are required for starting the process of photosynthesis. The most important are sunlight, water, carbon dioxide and certain minerals. Sunlight helps in building up the optimum temperature that is required to start the process of photosynthesis. Water is an important raw material that helps to absorb the carbon dioxide from the air. It also directly influences the opening and closing of the stomata. Carbon dioxide on the other hand is one of the most important raw material that helps to make glucose via the process of photosynthesis.

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