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Author Question: How and why do rocks disintegrate to form sediment? What will be an ideal ... (Read 76 times)

jayhills49

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on: Jul 16, 2018
How and why do rocks disintegrate to form sediment?
 
  What will be an ideal response?

Question 2

True or False: Plutonic and metamorphic rocks are particularly susceptible to oxidation reactions when they are exposed on Earth's surface.
 
  Indicate whether this statement is true or false.


aadams68

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: Weathering is the interaction of the geosphere with the atmosphere, hydrosphere, and biosphere. Physical weathering disaggregates rocks by mechanical means. The most effective agent of physical weathering is the freezing and thawing of water. Other processes include salt weathering, cracks formed by temperature-induced expansion and contraction, and tree roots growing in rocks. Chemical weathering occurs when minerals react with water and oxygen. The two products of chemical weathering are ions dissolved in aqueous solutions and new minerals formed by hydrolysis and oxidation.

Answer to Question 2

Answer: TRUE


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