Carbon Cycle
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EARTH SCIENCE
Environmental Science
Carbon Cycle
Earth’s carbon cycle quietly balances life and climate amid rising CO2 levels
8 hours ago
0
What is a major consequence of disrupting the natural carbon cycle through human activities?
Increased atmospheric CO2 leading to global warming
Immediate depletion of all carbon sinks worldwide
Carbon cycle stops completely and life on Earth ends instantly
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Bonbo
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EARTH SCIENCE
Environmental Science
Carbon Cycle
Human industrial activity has pushed atmospheric carbon dioxide to unprecedented levels, altering Earth's natural cycles.
2 days ago
0
What was the key turning point that disrupted the natural carbon cycle and led to record-high atmospheric CO2 levels?
A sudden increase in volcanic activity releasing carbon dioxide.
The large-scale burning of fossil fuels during industrialization.
The natural decay of limestone releasing carbon into the atmosphere.
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FordMotor
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EARTH SCIENCE
Environmental Science
Carbon Cycle
Earth's carbon cycle is a high-stakes tug-of-war shaping climate and life
12 days ago
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What is the primary consequence of disrupting the natural carbon cycle by increasing atmospheric carbon dioxide levels?
It intensifies global warming by enhancing the greenhouse effect.
It immediately reduces the amount of carbon stored in oceans only.
It has no significant impact because carbon cycles naturally without human influence.
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Nellieger
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EARTH SCIENCE
Environmental Science
Carbon Cycle
Earth’s invisible carbon dance sustains life but now fuels climate upheaval
13 days ago
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How do carbon sinks influence the carbon cycle and climate stability?
They release large amounts of carbon dioxide, increasing atmospheric CO2 levels.
They have no significant effect on atmospheric carbon dioxide or climate.
They store carbon long-term, reducing atmospheric CO2 and mitigating climate change.
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EARTH SCIENCE
Environmental Science
Carbon Cycle
Earth’s carbon cycle is both the foundation of life and a driver of climate upheaval
8 Feb 2026
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How does human activity disrupt the natural carbon cycle and what are the consequences?
By increasing carbon sequestration in oceans, reducing atmospheric CO2 levels
By completely stopping carbon exchange between the atmosphere and biosphere, stabilizing climate
By releasing stored carbon from fossil fuels and deforestation, increasing atmospheric CO2 and enhancing the greenhouse effect
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Bonbo
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EARTH SCIENCE
Biogeochemical Cycles
Carbon Cycle
Earth's carbon cycle sustains life by recycling carbon through air, water, soil, and organisms
30 Jan 2026
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How do oceans contribute to the carbon cycle and affect atmospheric carbon dioxide levels?
Oceans release large amounts of carbon dioxide into the atmosphere, increasing CO2 levels.
Oceans absorb carbon dioxide from the atmosphere, storing it and helping regulate atmospheric CO2 levels.
Oceans have no significant role in the carbon cycle or atmospheric carbon dioxide regulation.
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