"Vampire" power is ________
A) power that is stored in an electrical system for use later
B) the hidden cost of energy
C) when electric currents pass through silicone-rich materials
D) energy used when appliance is turned off, but in "standby" mode
E) when the majority of the energy produced is converted to kinetic energy that can be used later
D
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Which of the following atmospheric conditions is most conducive to the formation of hurricanes?
A. warm air aloft B. weak upper-level winds C. dry surface air D. diverging surface winds at the surface
The renewal of erosion that results in creation of stream terraces is generally attributed to a change in
____________________ level, or a change in climate resulting in greater ____________________, and thus, discharge. Fill in the blank(s) with the appropriate word(s).
Each of the three major cultural revolutions has allowed ____.
A. ecological restoration B. expansion of the human population C. greater worldwide sustainability D. pollution prevention E. decreased consumption
Long scratches formed on bedrock when a glacier moves over a land surface are ____
a. tillites b. moraines c. striations d. drumlin e. cirques