14 Questions
Where does carbon originate from mainly?
Earth's mantle
What is a major store of carbon in the lithosphere?
Fossil fuels
Which of the following is NOT a major carbon compound?
Sulfuric acid
What has caused the increase in carbon dioxide concentration in the atmosphere over the last 50 years?
Burning of fossil fuels
What is a significant role of carbon dioxide in the atmosphere?
Regulation of Earth's temperature
Where is carbon dissolved in ocean water primarily stored?
Plankton
Which of the following is NOT considered a major store of carbon on Earth?
Biomolecules
What form of carbon is found in fossil fuels like oil and coal?
$C_{25}H_{52}$
What is a common form of carbon found in the atmosphere contributing to global warming?
Methane
Where does most of the carbon in the lithosphere exist?
Limestone
Which store of carbon on Earth includes living vegetation and decaying plant matter?
Biosphere
What is a common carbon compound found in organisms like proteins and DNA?
Methane
How is carbon mainly transferred from the Earth's mantle to the crust and atmosphere?
By volcanic eruptions at plate boundaries
Which process has led to the increase in carbon dioxide concentration in the atmosphere over the last 50 years?
Fossil fuel use
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