________ are the most common materials precipitated as cement, which binds loose particles of sand into a solid sedimentary rock.
A. Feldspar and calcite
B. Calcite and silica
C. Clay and silica
D. Silica and hematite
E. Calcite and fluorite
Answer: B
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Which of the following is not a property of metal?
A) does not conduct heat well B) conducts electricity C) is shiny D) is strong, but can be bent E) All of the above are properties of metals.
Oil shale deposits ________
A) have been too expensive to extract and use as energy resources B) contain organic kerogen which can be processed into petroleum C) can be pumped from underground reservoirs like conventional crude oil D) are only a tiny fraction of the U.S. and Canadian potential oil reserves E) are concentrated in the Middle East
Which of the following is true regarding dawn and twilight?
A) Dawn and twilight last longest at the equator—approximately 2.5 hours. B) The polar regions do not experience dawn and twilight. C) 60° north and south latitudes receive the most dawn and twilight. D) The duration of both increases with increasing latitude.
The ITCZ migrates with the subsolar point and influences the tropical monsoon climates
Indicate whether the statement is true or false