What is the dominant factor in the life of a star?
A) energy B) temperature C) composition D) gravity E) size
D
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A satellite image of the United States was taken at “0900Z.” What was the local standard time in Chicago (90° W)?
What will be an ideal response?
Addition of harmful substances to the environment is called eutrophication.
Answer the following statement true (T) or false (F)
Which of the following is NOT a type of terrane in California?
A. displaced granitic rocks B. accretionary prism C. oceanic crust D. island arcs E. All of these are present in California.
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.