Zero population growth is best represented by a
A) TFR of 2.1 percent.
B) doubling rate of 2.1 percent.
C) CBR equal to the CDR.
D) negative NIR.
E) CDR greater than CBR.
Answer: A
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Which path does the light ray follow when it travels from a less dense substance into one that is denser?
A. It does not bend. B. It is reflected back into the low density material. C. It bends toward the normal. D. It bends away from the normal.
What kind of volcano is in this figure?
A) Cinder cone
B) Large shield volcano
C) Small shield volcano
D) Composite volcano
E) Caldera
True or False: Sedimentary rocks are the most common rocks on Earth's surface
Indicate whether this statement is true or false.
The 2014 Panel on Climate Change (IPCC) reported that global climate change is
A) certain and that anthropogenic activities are a major factor. B) likely and it is possible that humans are to blame. C) happening in some regions of the world and in some places people may be to blame. D) still unclear and the evidence and the causes of change require additional studies.