Describe how the H-R diagram is used to determine which stars are "giants."
What will be an ideal response?
Giants appear in the upper right-hand side of the H-R diagram, which shows stars with low surface temperature and high luminosity.
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Thunderstorms occur year-round in the:
A) subarctic regions. B) middle latitudes. C) subtropics. D) polar regions. E) tropics.
By definition, stocks differ from batholiths in
A. shape B. size C. chemical composition D. all of the preceding
The amount of solar radiation reaching the Earth's surface is dependent on:
a. intensity of radiation. b. duration of radiation. c. both of these d. none of these
Ignoring migration, the age structure of a human population likely to decrease in size will have what shape?
a. inverted pyramid b. pyramid c. Both a pyramid and a rectangle tapering toward the top result in a population that decreases in size. d. a rectangle tapering toward the top e. Both an inverted pyramid and a rectangle tapering toward the top result in a population that decreases in size.