5005 Praxis Practice Test Practice Question
Which TWO of the following are most likely to increase as a result of a continued decline in Arctic sea ice?
Correct Answer: A,C
Rationale: A continued decline in Arctic sea ice is linked to several environmental changes.
**A: The average air temperature of the Arctic** is likely to increase because less ice means more open water, which absorbs more heat from the sun, leading to higher air temperatures.
**C: The absorption of sunlight by the Arctic Ocean** will also increase, as dark ocean water absorbs more sunlight than reflective ice. This change contributes to further warming and ice melt.
**B: The salinity of Arctic seawater** is less likely to increase; in fact, melting ice introduces freshwater, which can decrease salinity.
**D: The availability of platforms for polar bears** may actually decrease, as declining sea ice limits their hunting grounds, not increase them.
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