What does the following element description actually mean? U
A) a uranium atom with 92 protons and 146 neutrons
B) a uranium atom with 238 neutrons and 92 protons
C) a uranium atom with 92 neutrons and 238 protons
D) a uranium atom with 92 neutrons and 146 protons
E) none of the above
A
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Which of the following is not true about the C horizon?
A) It has no organic matter. B) It accumulates iron, aluminum, clay, and other materials leached down from layers above it. C) It is little affected by the processes that impact the layers above it. D) It is also known as the regolith.
What kind of fault indicates that crust has been pulled apart?
A) normal B) reverse C) strike-slip D) all of the above
Which of the following hold the chains of a T-cell receptor together?
A) disulfide bridges B) hydrogen bonding C) hydrophobic interactions D) ionic bonds
Which of the following mass wasting disasters was triggered by an earthquake?
A) Storm King Mountain, Colorado, 1994 B) Colorado Front Range, Colorado, 2013 C) Chengdu, China, 2008 D) Oso, Washington, 2014