Which type of rock is typically formed from layers of sand and mud?

ben.saunders

jen.bethel

alexander.crosbie

juvie_arcueno

sholeh.peykamian

Iresonl

hasna.sakinah

mcheney

wohlstadter.mallinckrodt

igreen

flowers.jacqueline

mrskmoore1978

djoanarosej

Klynch

jalkhoutoff

aarammos

reagan.massengill

joseczp

kim.scalf