Oxygen Did Not Accumulate in the Early Atmosphere Until It

question 13

Short Answer

Oxygen did not accumulate in the early atmosphere until it reacted with reduced materials, especially________ , in the oceans. These substances then reacted spontaneously with oxygen to produce________.

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Definitions:

Intrinsic Motivation

Motivation driven by an interest or enjoyment in the task itself, rather than external pressures or rewards.

Mundane Tasks

Routine, everyday tasks that are often perceived as boring or tedious but necessary for the maintenance of daily operations.

Extrinsic Motivation

The drive to perform a task or engage in an activity due to external rewards or pressures rather than for the satisfaction derived from the activity itself.

Intrinsic Motivation

The drive to do something because it is inherently interesting or enjoyable, not for some separable consequence or external reward.