an oval or flatened circle
ellipse
the tendency of a mineral to break into irregular pieces
fracture
a trace or the remains of a once-living thing from long ago
fossil
the boundary between air masses
fronts
the state or quality of being humid
humidity
is a term that describes time
half-life
a solid inorganic sub stance of natural occurrence
mineral
is also know as slope movement or mass movement
mass wasting
is a change of minerals orgeologic texture
metamorphism
is a type of compact star
neutron star