Which of these energy sources has the highest net energy yield to produce high-temperature industrial heat?
A. coal
B. passive solar
C. geothermal
D. uranium
Answer: A
Environmental & Atmospheric Sciences
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The magnitude of the vertical component of a 5-unit vector at 60° from the vertical is
A. greater than 5 units. B. less than 5 units. C. 5 units. D. none of the above
Environmental & Atmospheric Sciences
Thinking of Casey's social gravity model, the social constant "k" is a fixed number like its counterpart in the physical gravity model.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Ingestion of ____________, which has been mistaken for food, can lead to the deaths of sea birds. Fill in the blank(s) with the appropriate word(s)
Environmental & Atmospheric Sciences
What is the difference between a mineral and an element?
What will be an ideal response?
Environmental & Atmospheric Sciences