Why are there no well-defined horizons in this soil profile?
A) It is usually frozen
B) The area was recently covered by an ocean
C) Abundant leaf litter covers the surface
D) A volcano recently erupted in the area
E) It was recently deposited in a landslide
A) It is usually frozen
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Structures given a LEED platinum ranking are ________
A) exemplary in sustainable design, especially energy efficiency B) inefficient and need to be renovated C) constructed to function without electricity D) typically built in sustainable villages in developing countries E) especially high in heavy metal content
The volcanic islands visible here formed as a result of a mantle plume. Assuming the left side of the figure is west and the right side east, in which direction is the tectonic plate is moving?
A) North B) South C) East D) West
Columbium and tantalum in your mobile phone helped to finance the decade-long war in the
Democratic Republic of Congo. Indicate whether the statement is true or false.
What causes a lack of cleavage in some minerals?