What was the kind of atmosphere where the first cells on this planet lived?

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AReducing

BOxidising

CNo atmosphere

DGold was present

Answer:

The first cells on this planet lived in an atmosphere that lacked oxygen.
Even among present-day living organisms, we know of several organisms that are adapted to anaerobic conditions.

Related Questions:

Study the following statements and select the correct description of botanical garden.

Plant species are grown for identification purposes.
Labeling of each plant consists of its botanical name/scientific name and its family.
Specimens are preserved in the jars and containers.
It is a type of store house which contains dried, pressed and preserved plants specimens on sheet.