In the process of sublimation, ____
A)ice melts to become liquid water, which then evaporates
B)fresh snow becomes firn and then glacial ice
C)ice changes directly into water vapor
D)white ice becomes denser so that blue wavelengths are transmitted and scattered and the ice appears blue
E)small crystals of ice become larger
C
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A positive ion has too few
A. electrons. B. neutrons. C. protons. D. negative ions.
A very short-lived, geographically widespread fossil species that existed during a specific interval of geologic time is called _______
a) assemblage fossil b) range fossil c) age fossil d) interval fossil e) index fossil
With increasing pressure (depth), the melting point of rocks and minerals generally _____
a) decreases b) increases c) does not change d) becomes dependent on rock type e) there is no definite relationship between melting point of a solid and change in pressure
What is the relationship between plucking and abrasion on a glacially-scoured landscape?
A. Abrasion occurs relatively suddenly when a glacier first encounters the landscape, and then if it remains in place for a long time, plucking begins to happen later, over a long period of time. B. Plucking occurs on the upflow side of a mound or hill that is scoured, while abrasion occurs on the downflow side. C. Abrasion occurs on the upflow side of a mound or hill that is scoured, while plucking occurs on the downflow side. D. Plucking occurs relatively suddenly when a glacier first encounters the landscape, and then if it remains in place for a long time, abrasion begins to happen later, over a long period of time.