Which soil horizon represents the uppermost limit of the zone of accumulation, also referred to as the subsoil?
A) A
B) B
C) C
D) E
B
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Which of the following is true for depositional coasts?
A) They have never been changed by wave action since sea level stabilized. B) They never support beaches. C) Exposed bedrock is more common than loose sediment on depositional coasts. D) Beaches are a common feature on depositional coasts.
The compound that exerts a major control on the pH of seawater is ________.
A. CO2 B. N2 C. PO43- D. NH4+ E. NO3-
A period of minimal sunspot activity between 1645 and 1715 is known as
A) the quasi-biennial oscillation. B) the Maunder Minimum. C) eccentricity. D) a millennial-scale oscillation.
How have people changed the physical landscape of Southeast Asia over the past 50 years? How is global climate change impacting these landscapes now, and how might it further impact them in the future?
What will be an ideal response?