Sometimes tiny pyroclastic particles are ejected into the ...

[schs14]

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

[yifu223]

Answer to Question 1

ash fall, ash flow

Answer to Question 2

A

[schs14]

TYSM

[xthemafja]

Thanks for the timely response, appreciate it