Quiz
Oceanography Ch. 3
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Perguntas do quiz (18)
1
Rain having a pH of _________ would be designated as acid rain.- A7.0
- B4.7
- C12.2
- D9.8
- E13.6
2The reason it takes so much heat to melt ice or evaporate water is that extra energy is required to break __________ bonds between water molecules.
- Ahydrogen
- Bcovalent
- Cmaternal
- Dionic
- Eelasatic
3
Carbon dioxide __________.- Aaccounts for 83% of the gases dissolved in the ocean as a whole
- Bhas a much higher concentration in the ocean than in the atmosphere
- Cwhen combined with water, makes a weak acid called carbonic acid
- Ds important in the carbon cycle, global climate change, and ocean acidification
- EAll of the above are correct.
4
Sea ice, formed when seawater freezes, contains ___________ salt than seawater.- Amore
- Bless
5
Pressure increases by __________ for each additional 10 meters of depth beneath the ocean's surface.- A1 decibar
- B10 decibars
- C100 decibars
- D1000 decibars
6The density of seawater of average salinity (about 35) varies _________ with temperature.
- Ainversely
- Bdirectly
7
In the ocean, photosynthesis requires dissolved __________.- Aoxygen
- Bnitrogen
- Ccarbon dioxide
- Dchlorine
- Eozone
8
The average length of time the various salts remain in the ocean before cycling out of the ocean is known as the __________ time.- Aresidence
- Bcirculation
- Chabitation
9Sound propagation in the ocean is used for __________.
- Adetermining ocean depth
- Blocating submarines and fish
- Cwhale communication
- Ddetecting small changes in water temperature over long distances
- EAll of the above are correct.
10Fresh water begins to freeze at __________.
- A32 °F
- B-15 °C
- C-2 °C
- D0 °C
- ECorrect Both a and d are correct.
11
Without hydrogen bonding, Earth would have __________.- Ano water cycle
- Bno ocean
- Cno floating ice
- Dno life as we know it
- EAll of the above are correct.
12The process whereby inorganic molecules of CO2 and water are converted into carbohydrates and O2 is known as __________.
- Arespiration
- Boxidation
- Cevapotranspiration
- Dphotosynthesis
- Eprecipitation
13
The SOFAR channel is:- Awhere trapped sound waves can propagate horizontal distances of thousands of kilometers
- Ba zone centered at an average ocean depth of about 1000 m
- Cwhere there is a sharp drop in water temperature
- Dwhere there is a minimum in the speed of sound
- EAll of the above are correct.
14
Ocean acidification is accompanied by a(n) __________ in pH.- Adecline
- Bincrease
15
In the Atlantic and Pacific Oceans, the surface salinity is greatest near the _________.- Acoasts
- Bcenter of each ocean basin
- Cequator
16
The average kinetic energy of water molecules __________.- Ais directly proportional to water temperature
- Bremains constant as the water temperature rises
- Cincreases with falling water temperature
- Dis the same as heat energy
- ENone of the above is correct.
17Of the more than 70 different ions that are dissolved in seawater the two most abundant _________.
- Acalcium and potassium
- Bmagnesium and sulfate
- Csodium and chloride
- Dnickel and zinc
- Ecalcium and magnesium
18
Latent heat is ____________.- Aaverage kinetic energy
- Bheat used to change the phase of a substance but not its temperature
- Cheat used to change the temperature of a substance but not its phase
- Dpotential energy
- Ethe same as cosmic energy
Informações
- Descrição
- Quiz sobre Oceanography Ch. 3, criado por allebeau2 em 19-12-2015.
- Autor
- allebeau2
- Idioma
- English
- Visualizações
- 0
- Avaliação
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