Emissivity
A) can have values greater than one.
B) will always be less than one for any object that is not a black body.
C) is typically .1 or below for most natural surfaces encountered on Earth.
D) is constant for the atmosphere.
Answer: B
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Based on the principle of Superposition, we know that, in a sequence of strata, the following relative age is right:
a. A layer of sediment should be the same age as its adjacent one b. The youngest bed is on the bottom c. Younger strata above older strata d. Each layer of sediment must be older than the one below
Economic activities which emphasize harvesting or extracting materials from the ground or sea would be placed in which sector of the economy?
A. primary B. secondary C. tertiary D. quaternary E. quinary
States become world hegemons through imperial overstretch
Indicate whether this statement is true or false.
Large volcanoes on the seafloor that are cone-shaped on top because they never reached sea level are called ________
A) hotspots B) tablemounts C) seamounts D) guyots E) mantle plumes