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Author Question: Why is most lithogenous sediment composed of quartz? a) Quartz is resistant to abrasion, ... (Read 60 times)

mckennatimberlake

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on: Aug 22, 2018
Why is most lithogenous sediment composed of quartz?
 
  a) Quartz is resistant to abrasion, extremely abundant, and extremely stable.
  b) Quartz is not a primary component of lithogenous sediment.
  c) Quartz is chemically unstable and so becomes lithogenous sediment extremely easily.
  d) Lithogenous sediment forms in mid-ocean ridges where quartz is abundant.

Question 2

Most biogenic sediments consist of tiny shells called microfossils that are made of what two substances?
 
  a) CaCO3 and MnO2
  b) SiO2 and MnO2
  c) SiO2 and CO2
  d) CaCO3 and SiO2
  e) CaCO3 and Fe3O4


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krakiolit

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

A

Answer to Question 2

D


mckennatimberlake

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Reply #2 on: Aug 22, 2018
Thanks


krakiolit

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Reply #3 on: Aug 22, 2018
Welcome :)


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