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FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

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Which of the following statements best defines carbon sequestration?
  1. The holding of carbon in rock, biomass, or mineral formations.
  2. The use of carbon by plants to produce oxygen.
  3. The use of carbon by humans in building materials.
  4. The natural production of fuel by the sun.
  5. None of the above.
Explanation
Answer: A - Carbon sequestration is the holding of carbon in rock, biomass, or mineral formations. Carbon in the form of carbon dioxide is a major threat to global warming, and atmospheric concentrations have been increasing due to the release of carbon by fuel burning. Carbon sequestration is the removal of carbon from the atmosphere by plants, rocks, or mineral formations.
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