Which of the following properties determines the kind (wavelength) and amount of radiation that an object emits?
A. temperature
B. latent heat
C. density
D. thermal conductivity
Answer: A
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People's relationships with their environments is a central theme of human geography
Indicate whether this statement is true or false.
A cannonball is fired by a cannon. The much smaller recoil speed of the cannon involves differences in
A. masses. B. momenta. C. forces. D. times.
Radiometric dating is based upon
a. the presence of fossils. b. cross-cutting relationships. c. spontaneous decay of radioactive elements. d. superposition. e. dendrochronology.
Physiologic density is always higher than simply people per square mile of all land because:
A) physiologic implies increased wealth B) all countries have voted to make it higher C) physiologic means "industrialized" D) no country is 100% arable land