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the answer is 75% I have think

The best way to estimate the amount of Earth's primary production that occurs in the oceans is 10%.

What is primary production?

  • Primary production is defined as the creation of new organic matter by plants and other autotrophs.
  • It can be related per unit area for individual ecosystems or worldwide.
  • The production also is a rate, measured per time unit, while standing crop biomass is the huge amount of plant matter at a given point in time.
  • Examples of primary production are farming, fishing, livestock rearing, and other production methods.
  • Primary productivity is of two types:

i. Gross Primary Productivity (GPP)

ii. Net Primary Productivity (NPP)

To learn more about primary production refer to:

https://brainly.com/question/14842049

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