Which of the following features best describes this object?
A. nebula
B. supernova
C. spiral galaxy
D. star
Answer: C
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Storage of atmospheric carbon is an important ecological role of forests.
Answer the following statement true (T) or false (F)
What is ozone?
A. a gas that blocks ultraviolet radiation from reaching Earth B. a gas that resides in the stratosphere C. a gas consisting of molecules containing three oxygen atoms D. all of the above
Which of the following is not involved in the creation of an exfoliation dome?
A. Oxidation B. Unloading C. Sheet joints D. Pressure release
The Pacific Plate is carrying Baja California and the coastal cities of Southern California ________ the continent of North America.
A. southward along B. away from (west) C. northward along D. toward (east) E. None of these is correct; there is no motion in this region.