Which of the following statements about Earth of 56 million years ago is correct?
A) Climate change was triggered by a huge release of volcanic ash.
B) It was marked by the extinction of many marine species.
C) Ocean surface waters were enriched in dissolved oxygen.
D) The climate was much colder than it is today.
E) There was a decrease in ocean temperatures.
B
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What type of boundary is located in the Northwestern United States and forms the Cascade Ranges??
A) ?transform boundary B) ?divergent boundary C) ?ocean-continent convergent boundary D) ?continent-continent convergent boundary
What is a longitudinal profile of a stream?
What will be an ideal response?
If current deforestation rates continue, about 40% of all the world's remaining intact forests will have been logged or converted to other uses in 20 years.
Answer the following statement true (T) or false (F)
Explain the role of convection in cloud formation.?
What will be an ideal response?