SCMH 1010 18 & 20 EXAM QUESTIONS
AND ANSWERS GRADED A+ 2026
Glaciers are found
A: High Mountains
B: Antarctica
C: All options correct
D: Arctic
E: Greenland - ANS C: All options correct
What drives the global atmospheric circulation?
A: radioactive decay of nuclear particles
B: energy of the Sun
C: tides
D: convection cells within the mantle
E: ocean circulation - ANS B: Energy of the Sun
What is one impact of gyres on coastal climates?
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1
, A: Warm water along east coast of continents
B: Cold water at the equator
C: Warm water at the poles
D: Cold water along the east coast of continets
E: Warm water along west coast of continents - ANS A: Warm water along east coast of
continents
The ocean is maintaining a constant salinity because...
A: chemical reactions in the oceans combine elements into compounds that are stored in the
biota or ocean sediment
B: the ocean is actually increasing in salinity
C: the fresh water from the rivers equals the amount of water evaporated from the oceans
D: glaciers are melting and adding fresh water to the system
E: chlorine and sodium will not form a salt compound at normal ocean temperatures - ANS A:
chemical reactions in the oceans combine elements into compounds that are stored in the biota
or ocean
Some estimates indicate that the amount of the world's fresh water that is stored as
groundwater may be close to...
A: 57%
B: 98%
C: 1%
D: 10% - ANS B: 98%
Chemical residence time in ocean water is...
A: the time it takes for one liter of water to move one horizontal mile through the ocean
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
AND ANSWERS GRADED A+ 2026
Glaciers are found
A: High Mountains
B: Antarctica
C: All options correct
D: Arctic
E: Greenland - ANS C: All options correct
What drives the global atmospheric circulation?
A: radioactive decay of nuclear particles
B: energy of the Sun
C: tides
D: convection cells within the mantle
E: ocean circulation - ANS B: Energy of the Sun
What is one impact of gyres on coastal climates?
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, A: Warm water along east coast of continents
B: Cold water at the equator
C: Warm water at the poles
D: Cold water along the east coast of continets
E: Warm water along west coast of continents - ANS A: Warm water along east coast of
continents
The ocean is maintaining a constant salinity because...
A: chemical reactions in the oceans combine elements into compounds that are stored in the
biota or ocean sediment
B: the ocean is actually increasing in salinity
C: the fresh water from the rivers equals the amount of water evaporated from the oceans
D: glaciers are melting and adding fresh water to the system
E: chlorine and sodium will not form a salt compound at normal ocean temperatures - ANS A:
chemical reactions in the oceans combine elements into compounds that are stored in the biota
or ocean
Some estimates indicate that the amount of the world's fresh water that is stored as
groundwater may be close to...
A: 57%
B: 98%
C: 1%
D: 10% - ANS B: 98%
Chemical residence time in ocean water is...
A: the time it takes for one liter of water to move one horizontal mile through the ocean
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
