Sometimes tiny pyroclastic particles are ejected into the atmosphere and settle to the surface as a(n) ___________________ _. In contrast, a(n) ___________________ _ is a cloud of these tiny particles and gas that moves along or close to the land surface.
Fill in the blank(s) with correct word
Question 2
A cratonic sequence is distinguished by a ____.
A)transgressive phase followed by regressive phase
B)regressive phase followed by a transgressive phase
C)regressive phase only
D)transgressive phase only
E)lack of any sequence