University of Texas, San Antonio

GEO 3163

Chapter 04 Quiz

Question 1)The average length of time the various salts remain in the ocean before cycling out of the ocean is known as the   time.

 

Question 2

 

The process whereby inorganic molecules of CO2 and water are converted into carbohydrates and O2 is known as                                 .

 

Question 3

 

In the dark waters just below the photic zone, because of cellular respiration, the concentration of dissolved                                  is higher relative to dissolved                  .

 

Question 4

 

pH is a measure of                    .

 

Question 5

 

 

The principle of constant proportions means that                  .

 

Question 6

 

Ocean acidification threatens those marine organisms whose shells and skeletons are composed of

                .

 

Question 7

 

The reason it takes so much heat to melt ice or evaporate water is that extra energy is required to break

                   bonds between water molecules.

 

Question 8

 

The processing of carbohydrates in cells for the release of energy and CO2 is known as                .

 

Question 9

The relatively high specific heat of ocean water                    downwind coastal areas.

 

 

Question 10

 

Pure water is close to neutral so that its pH is very close to a value of                 .

 

Question 11

 

Pressure increases by                   for each additional 10 meters of depth beneath the ocean's surface.

 

Question 12

 

The density of seawater of average salinity (about 35) varies                with temperature.

 

Question 13

 

In the photic zone, the concentration of dissolved                  is higher relative to dissolved

                  .

 

Question 14

 

The density of freshwater ice is                  .

 

Question 15

 

When seawater evaporates, all dissolved salts                   .

 

Question 16

Density of seawater is controlled primarily by                  .

 

 

Question 17

 

The major constituents of seawater occur in                 relative concentrations throughout the ocean.

 

Question 18

 

For seawater of average salinity, which one of the following statements is not true?

 

Question 19

 

Surface ocean waters are slightly alkaline with a global mean pH of                  .

 

Question 20