anoxic- free oxygen (O2)
atoms- an element.
cation- a charhed ion
conservative ions- a property of water that remains steady over a period of time.
deep layer- A sound-reflecting layer filled with zooplankton and nekton that moves up at night and down each day
density- the mass of a unit.
gas- a fuel or air.
groundwater- water that gets soaked up into the ground or into any soil.
halocline- an area in the water that salinity is rarely sharp.
heat capacity- a measure from,heat to ones gram of a substance.
hydrological cycle- the process of water cycle.
ion- an atom or a molecule.
molecules- to or more atoms.
nonconservative ions- a property of water that changes over time to an biological activity.
nutrient- a chemical food required for all plants to gorw.
parts per thousand (ppt)- a unit of salinity.
pH- a negative log of hydrogen activity.
photosynhesis- chemical reactions insperimented by the light of plants.
pycnocline- an area having a marked changed in water density.
residence time- the average amount of time for an element dissolved in sea water.
salinity-A measure of the total concentration of dissolved solids in seawater
thermocline- a sharp temperature that marks a contact zone.
vaporazation- the process in which a liquid is changed into a a gas.