When the vase is sitting on top of the table, what type of energy exists?
A) entropy
B) kinetic energy
C) potential energy
D) heat energy
E) work
C
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It is expected that aging baby boomers will put a strain on the United States government funded retirement and medical care programs.
Answer the following statement true (T) or false (F)
How is the stability of air determined?
Secondary succession ________
A) typically begins with lichen or moss colonizing rock B) is predictable because it always ends in the formation of a climax community C) occurs after a volcano spreads lava across a landscape D) occurs after a fire or flood E) requires primary succession to precede it
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