Wind........................
The answer to this question is a volcaniclastic debris. A volcaniclastic debris are debris from the volcano that was transported either through air or wind to the land or surface. An example of volcaniclastic debris are ashes, rocks, cinders, and blocks.
In deserts, wind picks up small particles and leaves behind larger rocks to form desert pavement. Moving sand may sand blast rocks and other features to create ventifacts. The sand is transported until it is deposited in a sand dune.
Answer:

Explanation:
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In this case, since the rate at which oxygen is produced via photosynthesis is:

Since the desired amount is 11,200,000 billion metric tons, the required time is:

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