The building block of the silicate minerals is called the ____________

a) silicon-oxygen tetrahedron
b) aluminum-silicon tetrahedron
c) silicon-oxygen octahedron
d) aluminum-silicon octahedron
e) none of these


Ans: a) silicon-oxygen tetrahedron

Environmental & Atmospheric Sciences

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In a sequence of undisturbed sedimentary rocks, the oldest fossils will be ____

a. in the top rock layer b. in the middle rock layer c. in the bottom rock layer d. unable to be determined e. indistinguishable from the other fossils

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The idea that the physical environment controls and molds the behavior of the people is called

a. environmental determinism. b. environmental possibilism. c. environmental age. d. environmental transition. e. environmental awareness.

Environmental & Atmospheric Sciences

The steepest natural angle that loose material can stand at without pieces sliding or rolling downslope is called the _________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which of the following is categorized as a secondary pollutant?

a. carbon monoxide b. Ozone c. carbon dioxide d. sulfur dioxide e. Hydrocarbons

Environmental & Atmospheric Sciences