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it has notthing to do with physics. this question was about the oceanography.//nsidc.

 it has notthing to do with physics. this question was about the oceanography. i need help answering this question using this website

https://nsidc.org/arcticseaicenews/2018/03/arctic-sea-ice-maximum-second-lowest/

1)    Provide a brief summary of the article.

2)    Briefly define Sea Ice Concentration and what percentage threshold is used to delineate sea ice extent?

3)    When does the maximum and minimum sea ice extent occur? Is there inter-annual variability on the timing explain?

4)    Using the additional tools on the site (https://nsidc.org/arcticseaicenews/charctic-interactive-sea-ice-graph/ )

a.    What was the difference between the 1979 and 2017 maximum sea ice extent?

b.    What was the difference between the 1979 and 2012 minimum sea ice extent?

c.     Do the (10?) years with the lowest maximum sea ice extents also exhibit the lowest minimum sea ice extents?

5)    Explain the Ice-Albedo Feedback. Which sea ice extent measurement (maximum or minimum) do you think is more closely connected to the Ice-Albedo Feedback as it pertains to the climate system, why?

6)    How does the Antarctic Sea Ice Extent compare to the Arctic Sea Ice Extent on an annual basis?

7)    What could an ice free Arctic mean for?

a.    Trade

b.    Ocean Circulation

c.     Oil Exploration and Land Rights

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