The arctic region experiences a natural freeze-thaw cycle throughoutthe summer and winter months. being that such changes are part of anatural cycle, what is the issue? using your ownwords, explain1) what is the pressing issue associated with sea ice extension in thearctic. be sure to include in your explanation reference to two specific years that were considered very unusual for sea ice extensionthat made the scientific community deeply concerned. also, on 2) which years and 3) what happened.

Explanation:

Polar vortex are the cyclones that develops at poles in winter season. They span around for 1000 square kilometers they are formed in uppee tropospheric region. Polar night jet streams are development having circular moment.

Rossby waves can disrupt the circulation around the polar vortex and polar vortex breaks and drives chilling artic air towards south .

That have happened in USA in 2014 whereby because of polar vortex chilling air there was a intense cold in that region

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table