True or False: Mark each statement below as true (T) or false (F) (2 points each

Question

True or False: Mark each statement below as true (T) or false (F) (2 points each) a Oceanic plates subduct underneath continental plates because ocean is made primarily out of basalt, which is more dense than the granite that continental plates are made out of. b) Due to photosynthesis, an oxygen minimum zone exists below the photic zone in the oceans c) Photosynthetic activity is higher in warmer waters relative to colder waters since higher nutrient concentrations exist in warmer waters. d) Salinity concentration at an oceanic location is enhanced by formation of sea ice as well as evaporation of ocean water into the air. e) The ocean floor is older along mid-oceanic ridges relative to the rest of ocean floor regions f) Via the direct acrosol effect, smaller aerosols scatter visible radiation, increasing albedo and decreasing the effective radiative temperature at a location. g) Silicates are the most abundant minerals found on Earth._ h) Sea floor spreading near mid-ocean ridges can be tracked by determining the magnetic polarity anomaly associated with the ocean floor. ) The equator exhibits higher concentrations of salt relative to he subtropies due to the fact that evaporation rates are greater at the equator. j) Although surface wind convergences at the equator, water diverges, leading to upwelling motions.

Explanation / Answer

a) TRUE

b) TRUE

c) FALSE

d) TRUE

e) FALSE

f) TRUE

g) TRUE

h) TRUE

i) TRUE

j) TRUE

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