Question

what are the two forms in which oxygen found in environment

Answer 1

Oxygen is foun in O2 and O3 form in the environment

Answer 2

The two forms of oxygen found in the atmosphere are: (i) Elemental oxygen is normally found in the form of diatomic molecule (O2) in the lower part of atmosphere. It is about 21% in the air and non-poisonous. (ii) Ozone is found in the stratopherepart of atmosphere.
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