A good absorber of a given wavelength of radiation is also a good emitter of that wavelength. Which of the following principles does this statement refer to?

A. first law of thermodynamics
B. Wien's law
C. Kirchhoff's law
D. Stefan-Boltzmann's law


Answer: C

Environmental & Atmospheric Sciences

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Time divisions in the Precambrian are based on ____

A)distinct fossil assemblages B)metamorphic assemblages C)absolute dates D)time-stratigraphic units E)igneous assemblages

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Use Figure 12.43 to locate the approximate location where you were born on each map. Describe where your birth location was on the globe at 540, 430, 300, 170, 90, 50, and 20 million years ago

What will be an ideal response?

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All fogs form over cold surfaces

Indicate whether the statement is true or false

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The number of people killed by hurricanes in the United States increased in the latter part of the 20th century.

Answer the following statement true (T) or false (F)

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