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Author Question: What affects the residence time of an element? A) Its saturation level B) Its chemical equilibrium ... (Read 93 times)

crobinson2013

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on: Aug 22, 2018
What affects the residence time of an element?
 A) Its saturation level
  B) Its chemical equilibrium in water
  C) Its chemical activity in water
  D) The principle of constant proportions

Question 2

A mystery in our understanding of plate tectonics has been, until recently, the nature of the power source capable of moving the plates and the continents embedded within them. Recent evidence indicates the power source to be ____.
 A) the readjustment of the surface to continual shrinking of the whole Earth
  B) convection currents within Earth's mantle moving the plates
  C) the action of ocean currents dragging along the seafloor, causing the seafloor and the continents to move
  D) the continual vibration from earthquakes and volcanoes slowly moves the continents equator-ward under the influence of centrifugal force


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dajones82

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Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

B


crobinson2013

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Reply 2 on: Aug 22, 2018
:D TYSM

atrochim

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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