Air pressure is not dependent upon
A) the speed of air molecules.
B) the number of air molecules.
C) the average mass of air molecules.
D) the element distribution among air molecules.
E) none of the above
D
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What does Einstein's energy equation (E = mc2) say about the energy that is derived from nuclear fission reactions?
A. The energy is derived from the light that is emitted when the atom splits. B. The energy is proportional to the mass of the atom undergoing fission. C. The energy released is due to the missing mass of the products compared to the mass of the starting materials. D. The energy equation does not apply toward fission, only fusion. E. none of the above
Which of the following features characterize wide streams and valleys?
A) rapids; channel bed potholes B) V-shaped valley cross-sections C) natural levees; broad floodplains D) waterfalls; entrenched meanders
What are the major classes of Mesozoic mollusks?
A)ammonites, brachiopods, and cephalopods B)gastropods, ammonites, and brachiopods C)bivalves, cephalopods, and ammonites D)trilobites, brachiopods, and ammonites E)gastropods, bivalves, and cephalopods
Consumption is a major interface between the rich and poor
Indicate whether the statement is true or false