Unique Nature of Pure water
Molecules are the result of two or more atoms bonded ___
Chemically
How do bodies of water freeze
from top to bottom
What is one chemical property of the ocean
Salinity
What converts carbon dioxide into organic compound?
Photosynthesis
top layer of the ocean
epipelagic zone
The ocean is mainly ___
water and salt
How is water clarity measured
Secchi disk
What is salinity?
The total amount of salt dissolved in water
What does rising co2 levels affect
The chemistry of the ocean
the mesopelagic zone is also known as the ____
Twilight zone
Three states of water are
Solid, liquid, gas
Pressure ___ dramatically with ocean depth
Increases
Which ions come from rivers
Sodium, potassium, magnesium
About how much co2 enters the ocean each year
A quarter
The deepest place on earth
Mariana Trench
what is it called when water sticks together
Cohesion
what only remains at 1000m
Bioluminescence
the saltier the water is, the ___ it is
denser
Oyster farmers have seen what percent of baby oysters die
80%
Zone where the water is warmest
Epipelagic
What property depends on temperature of water
density
what color penetrates the deepest
Blue light
Which ions come from volcanoes and hydrothermal vents?
Sulfides and chlorides
When the ph of the ocean drops it is called ___
Alkaline
The darkest zone
Hadal zone