Life forms were able to leave oceans and step foot on dry land allowing life to evolve. What allowed them to do so?
Oxygen
Which plate subsides beneath the North American plate to create the Cascade Mountains?
Juan de Fuca
Coral are mainly located between about 40 degrees North and 40 degrees South latitude why?
They need to be in warm water due to being temperature sensitive
Calcareous ooze is different from siliceous ooze how?
Some parts of the ocean are full of carbonate while other parts lack enough carbonate.
Temperature decrease while density does what?
Increases
Where life and weather patterns exist
Troposphere
Water sinking in the North Atlantic beings what process?
Flow of deep ocean currents in a conveyer-like fashion
A shallow water wave has to be below what depth of the wavelength to be considered as such?
1/20
Above average ranges in the tides occur when?
Perigee
What appears at low tides and not high tides?
Tombolos
Polycyclic aromatic hydrocarbons (PAHs) like xylenes, naphthalenes, toluene, and benzene appear in what?
Crude oil
Marine productivity is on a decline due to increased ocean temperatures. How much will productivity decrease when compared to pre-industrial times?
20%