We know from the second law of thermodynamics that some of the high-quality energy in each step of processing is
A. wasted and degraded to lower-quality energy.
B. upgraded to higher-efficiency energy.
C. maintained at the same level of quality.
D. destroyed completely.
E. converted into renewable energy.
Answer: A
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Near the snout of a glacier, flow is often:
a. compressive b. extending c. accelerating d. Newtonian
The Sahel region of Sub-Saharan Africa is one of the regions of the world most prone to famine
Indicate whether the statement is true or false.
Which of the following is true regarding climate change?
A) Climates have varied over the last 2 millions years and are, in essence, always changing. B) Few professional scientific organizations support actions to mitigate climate change. C) There is no scientific consensus on human-forced climate patterns. D) The current witnessed climatic changes are within this natural climatic variability.
Using the examples of Mexico City and Los Angeles, discuss the special problems that vehicles create for urban outdoor air pollution
What will be an ideal response?