EPS 38- intro to Earth Science Common segment for sections (512/513) 28 This str

Question

EPS 38- intro to Earth Science Common segment for sections (512/513) 28 This structure is an example of what hasic Geologie Principle? b) Law of Original Horizontality e) Law of Cross-cutting d) Law or Chilled Margins e) None of these. 29,--what type of stress formed this structure in the top diagram? b) extension c) shearing 30 Oil resides within what type of deformation structures in the bottom diagram? a) Basins b) Synclines e) Anticlines d) Monoclines 31.This structure violates which Basic Geologic Principle? a) Law of Superposition. b) Law of Original Horizontality c) Law of Cross-cutting. d) Law of Chilled Margins. e) None of these. 32.What type of stress formed the structures in the bottom diagram? a) compression b) extension c) shearing 33. What is the ratio ofslicon to oxygen in a Si- O tetrahedron? b) 1:2 c) 1:3 d) 1:4 Page

Explanation / Answer

Hope that you are asking about question no:33.

The answer is option D -1:4

a silicon-oxygen tetrahedron is the basic unit of all silicate minerals. we know that silicon has 4 valence electrons in its outer shell, these 4 electrons are shared with 4 Oxygen atoms and form a silicon-oxygen tetrahedron [SiO4]4-

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