The boundary between the Tippecanoe Sequence and the overlying ...

[OSWALD]

The boundary between the Tippecanoe Sequence and the overlying Kaskaskia Sequence is marked by a major _______________.
 Fill in the blank(s) with correct word

Question 2

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

[Sierray]

Answer to Question 1

unconformity

Answer to Question 2

C

[OSWALD]

YES! Correct, THANKS for helping me on my review

[Liddy]

Thanks for the timely response, appreciate it