Physics · Nuclear Physics
Which conclusion is most consistent with the scientific consensus regarding the human impact on the global phosphorus cycle?
- 1The phosphorus cycle remains completely intact and unaffected by human activities.
- 2The total amount of phosphorus extracted annually is close to depleting the Earth's total global phosphorus reserves.
- 3The mining and industrial use of phosphate rock has created systemic environmental problems that disrupt the natural balance of phosphorus on Earth.✓
- 4Human intervention in the phosphorus cycle has been entirely beneficial for global ecosystems.
Correct answer
The mining and industrial use of phosphate rock has created systemic environmental problems that disrupt the natural balance of phosphorus on Earth.
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