Which of the following is NOT a significant problem associated with recycling?
A. There is not a market for many materials like glass and many plastics.
B. People resist recycling.
C. It is costly to separate the different materials in the waste stream.
D. Many materials are contaminated with food and other materials.
Answer: B
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Suppose saturated polar air has an air temperature and dew point of -10ºC, and unsaturated desert air has an air temperature of 35ºC and a dew point of 10ºC. Which of the following describes the water vapour and relative humidity of desert air compared to polar air?
A. Desert air has less water vapour and lower relative humidity than polar air. B. Desert air has less water vapour and higher relative humidity than polar air. C. Desert air has more water vapour and lower relative humidity than polar air. D. Desert air has more water vapour and higher relative humidity than polar air.
In a ____ climate type, precipitation is less than half the potential evapotranspiration
a. desert b. steppe c. tropical savanna d. tropical monsoon e. temperate forest
What is the main cause of deforestation in the Amazon?
A) logging B) large scale agriculture C) cattle ranching D) small scale agriculture E) mining
Which of the following is TRUE of models?
A) They are simplified, idealized representations of the real world. B) They are never used in physical geography because of their inherent limitations. C) They complicate our understanding of Earth system science. D) They perfectly replicate the real world, but at a different scale.