Why has our production of food increased over the
past 50 years despite the growing population?
a. We have become more sustainable in food production.
b. We have doubled the land used for agricultural production.
c. Technology in the form of fossil fuels, pesticides, and fertilizers has increased production.
d. We have not produced more food in the past several decades.
Answer: C
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Why does Urry mean by 'global fluids'?
a) He is disturbed by oceanic waste. b) He suggests that we understand the globalization of capitalism as an unstoppable, liquid flow of money across borders. c) He is concerned by the ever-increasing flow of polluting gases across the global atmosphere. d) He suggests that we think of people, ideas and materials as streaming across the planet and connecting localities and bodies across the globe.
A country that has undergone a full demographic transition has
A) a lower birth rate and a higher death rate. B) a higher birth rate and a lower death rate. C) a higher birth rate and a lower death rate, and it is about to undergo industrialization. D) a lower birth rate, a lower death rate, and it has undergone significant economic growth.
El Niño Southern Oscillation (ENSO) is responsible for worldwide climate fluctuations. Why is the fishing economy of Peru greatly affected by these fluctuations?
a) Cold, nutrient-poor water has covered the warm, nutrient-rich waters near Peru's coast. b) The La Niña is a cool phase that decreases fisheries. c) Monsoons in the North Indian Ocean cause a decrease in Peru fisheries. d) Cold, nutrient-rich upwelling waters that facilitate the fisheries were covered by the warm, nutrient-poor waters of El Niño.
The energy "lost" by a system is ____.
A. converted into an equal amount of matter B. equal to the energy the system creates C. converted to lower quality energy D. returned to the system eventually E. converted to higher quality energy