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.

individual oxygen atoms are formed during photosynthesis.-c.

answer; i believe the correct answer is (replication is not conservative);

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.