How does a hydrogenous sediment form in the deep ocean?
a) Hot water from vents concentrate nutrients in the deep ocean.
b) Phosphates and carbonates occur at volcanic mid-ocean ridges.
c) Shipwrecks dissolve and contribute to the mineral content in the ocean.
d) Dissolved minerals in seawater precipitate out of solution when temperature and pressure conditions change.
Question 2
Which of the following is an incorrect statement about the marine environment?
a) Pressure is generally greater than on land.
b) Free oxygen is more abundant than the terrestrial environment.
c) Temperatures are more stable than on land.
d) Salinity is an issue in the ocean but not on dry land.
e) Because of the viscosity difference between water and air, it is much easier for organisms to move through
the air.