Compaction of soil in a garden harms plants by
A) increasing aeration, decreasing infiltration, and increasing runoff.
B) decreasing aeration, decreasing infiltration, and increasing runoff.
C) increasing aeration, increasing infiltration, and decreasing runoff.
D) decreasing aeration, increasing infiltration, and decreasing runoff.
B
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The classic volcano shape is displayed by:
a) a composite volcano b) a caldera c) a fissure eruption d) pillow basalts e) a magma chamber
Which option describes a possible oil and gas trap?
A) an anticline made entirely of sandstone with an organic earth covering B) a reverse fault with a sandstone layer and a shale layer underneath C) an anticline with a sandstone layer and a shale layer on top D) a syncline with a coal layer at the bottom, a sandstone middle, and a shale layer on top
When the mineral assemblage of a rock changes due to high temperature and pressure, the rock undergoes
A. recrystallization. B. crystal deformation. C. secondary metamorphism. D. all of the above
The Principle of Cross-Cutting Relationships states that rocks are older than the fault that displaced them.
Indicate whether the statement is true or false.