Question

what is percentage of oxygen found in the atmosphere ? Name two compounds of Oxygen found in nature . Name any three processes in which oxygen is used up in atmosphere

Answer 1

20.946% of oxygen is found in atmosphere.

TWO COMPONENTS of OXYGEN found in NATURE are ATMOSPHERICAL OXYGEN and OZONE.

THREE PROCESS IN WHICH OXYGEN IS USED UP;

- Protection from UV radiations by forming a ozone layer.

- Inhalation of atmospherical oxygen by organisms for survival.

- Combustion of substances to produce energy.

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