18. The (condensation, evaporation, fusion) __________ of tropical atmospheric w

Question

18. The (condensation, evaporation, fusion) __________ of tropical atmospheric water vapor is a warming effect to surrounding air which then tends to continue to (uplift, subside, concentrate) ________ more. Eventually this mass encounters a barrier where the troposphere meets the stratosphere, called the (tropopause, stratopause) _________ and spreads northward and southward. Where it converges on the earth at approximately (30, 45, 23.5) ______ degrees north and south, the air contributes to the great (deserts, rainforests) ___________ of the earth.

a. fusion, subside, tropopause, 45, deserts

b. fusion, subside, tropopause, 30, deserts

c. condensation, uplift, tropopause, 45, deserts

d. condensation, uplift, tropopause, 30, deserts e. condensation, uplift, stratopause, 30, deserts

19. A lake that never mixes completely and contains a permanent unmixed layer at the bottom is:

a. eutrophic

b. mixotrophic

c. hypoxic

d. meromictic

e. holomictic

20. True or False. Stokes law indicates that if several particles combine to form a large particle, the result will be a slower sinking rate if all other factors remain constant.

a. True b. False

21. Due to the fact that water has greater (density, buoyancy) _______ at warmer temperatures, in a dimictic lake there can be summer (stratification, mixing) ______. Because of the seasonality of this process a dimictic lake is defined as having two seasons of (mixing, stratification, both) ___________ each year. Lakes with long-term ice cover but a few days of open water in the summer may be classified as (cold dimicitc, cold monomictic, cold meromictic) ___________ lakes.

a. density, stratification, mixing, cold monomictic

b. buoyancy, stratification, mixing, cold monomictic

c. density, stratification, mixing, cold dimictic

d. buoyancy, stratification, mixing, cold dimictic

e. density, stratification, stratification, cold dimictic

Explanation / Answer

18. The (condensation, evaporation, fusion) __________ of tropical atmospheric water vapor is a warming effect to surrounding air which then tends to continue to (uplift, subside, concentrate) ________ more. Eventually this mass encounters a barrier where the troposphere meets the stratosphere, called the (tropopause, stratopause) _________ and spreads northward and southward. Where it converges on the earth at approximately (30, 45, 23.5) ______ degrees north and south, the air contributes to the great (deserts, rainforests) ___________ of the earth.

Ans. d. condensation, uplift, tropopause, 30, deserts.

19. A lake that never mixes completely and contains a permanent unmixed layer at the bottom is:

Ans. d. Meromectic

20. Stokes law indicates that if several particles combine to form a large particle, the result will be a slower sinking rate if all other factors remain constant.

True.

21. Due to the fact that water has greater (density, buoyancy) _______ at warmer temperatures, in a dimictic lake there can be summer (stratification, mixing) ______. Because of the seasonality of this process a dimictic lake is defined as having two seasons of (mixing, stratification, both) ___________ each year. Lakes with long-term ice cover but a few days of open water in the summer may be classified as (cold dimicitc, cold monomictic, cold meromictic) ___________ lakes.

Ans. b. Buoyancy, stratification, mixing, cold monomictic

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