Coal is
A) a very rare fossil fuel.
B) a chemical or biogenic sedimentary rock consisting of plant organic matter.
C) an inorganic form of energy.
D) a mafic igneous rock.
Answer: B
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Within which range of latitudes in the Northern Hemisphere is 24 hours of daylight experienced?
Figure 9-2: Earth–Sun relations on June solstice.
Noting the orientation of the circle of illumination on June 21, explain the above question.
What will be an ideal response?
The prices received for exports relative to the prices paid for imports is called the free market
Indicate whether the statement is true or false
Pyroclastic eruptions on a snow-capped volcano
A. can create dangerous lahars. B. cause the volcanic ash to solidify. C. stop when the melting snow cools the eruption. D. are physically impossible.
A pyramidal peak formed in glaciated mountains is
A) a col. B) an arêtes. C) a horn. D) a cirque.