Question

List two forms of oxygen found in the atmosphere. Name the processes by which
a) Oxygen from the atmosphere is used up.
b) Oxygen is returned to the atmosphere
plizz urgent​

Answer 1

Answer:

The two forms in which oxygen is found in the atmosphere are :

a. The diatomic molecular form which has the chemical formulae of 02.

b. The triatomic molecular form which comes with the chemical formulae of O3 that is also known by the name of Ozone.

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a) Combustion , Respiration

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b) Photosynthesis