Question

Write a note on the occurrence of oxygen ​

Answer 1

Answer:

Occurrence. Oxygen is the third most common element in the universe, after hydrogen and helium. ... The hydrogen combines with carbon dioxide to make carbohydrates. Respiration then takes oxygen gas out of the atmosphere and turns it into carbon dioxide and water.

Explanation:

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Answer 2

Explanation:

Oxygen is one of the most abundant elements on the Earth . Oxygen accounts for 20.9of the atmosphere ,45 of the Earth's crust ( as oxide minerals ) and also accounts for almost all of the mass of the water on Earth (89) .it is found ina huge number of natural minerals including sulfates , phosphates, carbonates ,and oxide.