In which horizon is subsoil located?
A) A B) B C) C D) O E) E
Answer: B
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In which of these countries/places is soil erosion not a concern?
A. Greenland B. United States C. Canada D. Australia
Electromagnetic induction is employed in
A. computers. B. credit card readers. C. mobile phones. D. all of the above
Climate models used in the IPCC Assessment Reports have been improved by including ________.
A. more complex feedbacks B. higher temporal resolution C. higher spatial resolution D. All of these choices are correct
An area that experiences semidiurnal tides will have ________
A) one high tide and one low tide daily B) one high tide and two low tides daily C) one low tide and two high tides daily D) two high tides and two low tides of nearly equal height daily E) two unequal low and high tides daily