terms
organic material in soil
humus
underwater plain that borders the continent
continental shelf
Type of rock formed from magma or lava
igneous
thick ice sheet that moves on its own
glacier
underwater valley where oceanic crust seems to be separating
rift
rock changed in form by heat and pressure
metamorphic
remains or impression of livings preserved in sedimentary rocks
fossils
large stream that moves through the ocean
ocean current
sedimentary rock formed from remains of living things
fossil
high ridge that separates two river systems
drainage divide
Enormous wave caused by an earth quake
tsunami
mineral containing metal
ore
body of water where a river meets the ocean
estuary
Tectonic plate activity where heavier plates slide under lighter plates
subduction
solid parts of the earth
geosphere