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Author Question: Cellular pH is kept near a value of seven, due to the action of: a. salts b. buffers c. acids ... (Read 36 times)

stephzh

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on: Jul 27, 2018
Cellular pH is kept near a value of seven, due to the action of:
 
  a. salts
  b. buffers
  c. acids
  d. bases
  e. water

Question 2

Mars has a sufficient mass and a low enough temperature that water molecules could exist in its atmosphere as vapor. One reason Mars's atmosphere does not contain a significant amount of water vapor is that
 
  a. Mars formed in a part of the solar nebula that lacked oxygen.
  b. Mars formed in a part of the solar nebula that lacked hydrogen.
  c. all of the water vapor was released in the impact that formed Deimos.
  d. ultraviolet radiation breaks the water molecule into less massive particles that can escape.
  e. the water molecule combines readily with chlorine to form hydrochloric acid.


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meow1234

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Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

d


stephzh

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


meow1234

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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