How do you make a proton out of a hydrogen atom?
A) remove an electron from a hydrogen atom
B) remove a proton from a helium nucleus
C) let the hydrogen atoms undergo fusion
D) let the hydrogen atoms combine to form a hydrogen molecule and eject an electron
E) let the hydrogen atoms combine to form a hydrogen molecule and eject a proton
A
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Geography provides a place- or space-related ______________________ of human experience.
Fill in the blank(s) with the appropriate word(s).
Mid-latitude cyclones
A) typically last a month or more. B) do not really have the characteristics and behavior ascribed to them by the theory of cyclogenesis. C) rarely travel more than a few hundred kilometers. D) often bring substantial changes in wind and temperature.
The oceans contain about ____ carbon dioxide as the atmosphere
A) half as much B) twice as much C) 50 times as much D) one-fourth as much E) one-third as much
Where is the world's largest tidal electricity power plant?
A) The California coast north of San Francisco B) Annapolis River estuary, Maryland C) Murmansk, Russia D) The mouth of the Rance River in Brittany, France