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Physics 15 Online
OpenStudy (anonymous):

Help! Check my answer! medal! What is a permafrost? a. Ground that is frozen all year b. Water that is frozen forming the ground c. Seasonal thaw of water/ice d. Ground that is frozen some of the year I think its a, just checking

OpenStudy (anonymous):

i think its a hold on im looking it up

OpenStudy (anonymous):

yes its a

OpenStudy (anonymous):

definitely a

OpenStudy (anonymous):

Okay, thanks

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