Each year, burning of fossil fuels moves about __________ billion metric tons of carbon to the atmosphere.
A) 1
B) 6
C) 19
D) 32
Correct Answer:
Verified
Q41: Q42: About 55 million years ago, during the Q43: The Gulf Stream transports _ percent of Q44: Q45: The last time atmospheric carbon dioxide concentrations Q47: Human activity is increasing carbon dioxide in Q48: When Earth's temperatures were last warmer than Q49: Which does not transfer carbon from the Q50: Volcanic eruptions cause short-term cooling by _. Q51: During the last 800,000 years, carbon dioxide
A)injecting
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