Over the span of 70 million years, the Earth's climate
A) was much warmer in the distant past than the present.
B) was much cooler in the distant past than the present.
C) has remained fairly constant, only showing a warming trend during the past 200 years.
D) was warmest approximately 10 million years ago and coolest about 56 million years ago.
Correct Answer:
Verified
Q10: Ice cores provide a climate record for
Q11: The rapid warming associated with the Paleocene-Eocene
Q12: The _ is a graph which plots
Q13: The majority of human population growth is
Q14: Seasonal fluctuations in CO₂ emissions reflect
A) increased
Q16: According to readings from the Mauna Loa
Q17: The ¹⁶O evaporates _ easily than ¹⁸O,
Q18: The science that studies the Earth's past
Q19: The primary anthropogenic source of atmospheric carbon
Q20: Per capita emissions of total greenhouse gases
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