Match the Items in the First Column with the Correct

Match the items in the first column with the correct descriptions in the second column.
A)sediment derived from the weathering of rock, mainly on the continents
B)sediment derived from dissolved salts in seawater
C)a layer of rapid temperature change
D)the multi-disciplinary science that studies the oceans
E)a layer of rapid density change
F)the oceanic equivalent of topography: the three-dimensional "shape" of the seafloor
G)a measure of the amount of dissolved salts in a given volume of water
H)sediment from the shells or skeletal material of living organisms
-1)oceanography
2)salinity
3)thermocline
4)pycnocline
5)bathymetry
6)terrigenous
7)hydrogenous
8)biogenous