Silicon and oxygen link up to form the silicon-oxygen ________.

A. tetrahedron
B. dodecahedron
C. trihedron
D. hexahedron
E. dihedron


Answer: A

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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A node that breaks a continuous line into separate line segments is called an:

A. overshoot B. undershoot C. dangling node D. pseudo node

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A ________ is characterized by a large inequality in high-water heights, low-water heights, or both.

Fill in the blank(s) with correct word

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The dry season of the tropical savanna climates in the Northern Hemisphere is associated with:

a. the northward shift of the sun and the southward shift of the ITCZ. b. the northward shift of the sun and the northward shift of the ITCZ. c. the southward shift of the sun and the southward shift of the ITCZ. d. the southward shift of the sun and the northward shift of the ITCZ.

Environmental & Atmospheric Sciences