soil unit crossword puzzle

wear away or change the appearance or texture of (something)
the timing and relationship of events that have occurred during Earth's history
the scientific way to study the earthquakes and the propagation of elastic waves
an idealized cycle of processes undergone by rocks in the earth's crust
hot molten rock
refers to the original rock from which something else is formed
denoting or relating to rock that has undergone transformation by heat
rock that has formed from sediment deposited by water or air
a rock having solidified from lava or magma
hot molten or semifluid rock erupted from a volcano or fissure, or solid rock
prevention of wasteful use of a resource
the upper layer of earth in which plants grow, a black or dark brown material
a layer parallel to the soil surface
an elastic wave in the earth produced by an earthquake or other means.