Bodies that emit some percentage of the maximum amount of radiation possible at a given temperature are called
A) blackbodies.
B) black holes.
C) graybodies.
D) partials.
Answer: C
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Which of the following countries is considered to be in stage 4 of the demographic transition?
A) Argentina B) India C) Denmark D) Ghana E) Cape Verde
The degree of metamorphic change within an aureole ____
A)is always sharp and well-defined B)is not dependent on the temperature of the intruding magma C)is defined by an isograd D)increases with distance from the intrusion E)decreases with distance from the intrusion
Locavores are people who
A) always eat the same food in the same location. B) eat locally grown food to reduce waste and refrigeration and transportation costs. C) identify themselves as carnivores and eat only meat. D) seek non-traditional forms of protein such as insects, marine invertebrates, and fungi.
Which of the following best explains the pattern of atmospheric carbon dioxide seen above Slovakia in January 2004?
A) The relatively high levels of CO2 are the result of recent, widespread deforestation. B) The higher values are a result of Europe's large automobile fleet. C) There is no significant difference in CO2 in January compared to July 2004. D) The relatively high levels of CO2 are a result of diminished photosynthesis and respiration by flora during the low-sun season. E) The relatively low levels of CO2 are a result of diminished photosynthesis and respiration by flora during the low-sun season.